when the null hypothesis is rejected, it is possible a type ii error has occurred. not possible a type i error has occurred. possible a type i error has occurred. possible either a type i or a type ii error has occurred.

Answers

Answer 1

When the null hypothesis is rejected possible a Type i error has occurred.

Let's Understand what is null hypothesis?

A statistical hypothesis known as a null hypothesis asserts that no statistical significance can be found in a set of provided observations. Using sample data, hypothesis testing is used to judge a hypothesis' veracity. It is sometimes referred to as just "the null" and its symbol is [tex]H_{0}[/tex].

We have total 4 cases:

[tex]H_{0}[/tex]  accepted when  [tex]H_{0}[/tex] is true ->  Correct decision

[tex]H_{0}[/tex] rejected when [tex]H_{0}[/tex] is true -> Type i Error  when null hypothesis is  present and we have rejected

[tex]H_{0}[/tex] accepted when [tex]H_{0}[/tex] is false -> Type ii Error when null hypothesis is not  present but we have accepted

[tex]H_{0}[/tex] rejected when [tex]H_{0}[/tex] is false -> Correct decision.

So according to question null hypothesis is rejected so we have two options Either Null hypothesis is present or not present.

if it is present  then it is Type i Error.

if it is not present then it is Correct decision.

So when the null hypothesis is rejected possible a Type i error has occurred.

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Related Questions

what is
c=2.80g c=8.30g

Answers

That’ll be your final answer

Christina's Pizza sells pizza by the slice for lunch. Today, they sold 76 slices, including 20 slices of pepperoni pizza. What is the experimental probability that the first slice sold during lunch tomorrow will be a slice of pepperoni pizza?
Write your answer as a fraction or whole number.
P(pepperoni)=

Answers

Answer:

Step-by-step explanation:

2/6

If a = 3 and b = 5, find a/(a+b)=.

Answers

Answer: 5/3 or 1.67

Step-by-step explanation:

Shane can hike 10 miles in 5 hours. If he hikes for 8 hours, then how many miles will he travel

Answers

Answer: 13.33

Step-by-step explanation: I could be wrong

Find the missing angle measures.

Answers

The value of x is 122°.

The value of y is 130°.

What are corresponding angles?

The angles that are in the same position on two parallel lines intersected by a transversal line on the parallel lines.

Corresponding angles are equal.

We have,

The figure has two parts.

One part is a triangle.

Another part is a heptagon.

We see that,

The three angles sum 180 degrees.

Two angles are equal inside the triangle.

2m + 80 = 180

2m = 180 - 80

2m = 100

m = 50

Now,

y + 50 = 180

y = 180 - 50

y = 130

Now,

The sum of the heptagon angles is 900.

Three angles are the same.

i.e 3x

Two angles are the same.

i.e 130 + 130 = 260

260 + 3x + 135 + 140 = 900

3x + 535 = 900

3x = 900 - 535

3x = 365

x = 365/3

x = 122

Thus,

The value of x is 122°.

The value of y is 130°.

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Use the number line to represent the solution to 2.4x−6>−13.2.

Answers

Answer:

The answer should be (8,0)

is ​the square root of open paren x negative 3 close paren squared equals 3 negative x​ ? (1) ​x is not equal to 3​ (2) ​negative x times the absolute value of x is greater than 0

Answers

The square root of open paren x negative 3 close paren squared =

3 negative x​  negative x times the absolute value of x is greater than 0.

Let the equation be: |x−3|=3−x|x−3|=3−x

When x>3x>3, then RHS is negative, but LHS (absolute value) is never negative, hence in this case equations doesn't hold true.

When x≤3x≤3, then LHS=|x−3|=−x+3=3−x=RHSLHS=|x−3|=−x+3=3−x=RHS

x≠3x≠3

Thus,

−x|x|>0−x|x|>0, this inequality implies that x<0x<0, hence x<3x<3.

Hence option b becomes the correct option i.e, negative x times the absolute value of x is greater than 0.

Square root of a number is a value, which on multiplication by itself, gives the original number. The square root is an inverse method of squaring a number. Hence, squares and square roots are related concepts.

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y normally distributed with a standard deviation of 40 hours. how large a sample is needed if we wish to be 96% confident that our sample mean will be within 10 hours of the true mean?

Answers

A sample of 68  is needed if we wish to be 96% confident that our sample mean will be within 10 hours of the true mean for the standard deviation of 40 hours

Since a level =1-0.96/2 =0.02, here the  Z value of 1-a = 1-0.02= 0.98 , for which z=2.055 .Now we know that the formula for margin is:

M = z*σ/√n, where σ is the standard deviation and n is the sample size since we are provided with the standard deviation of  40  and M=10. so,

=> 10= 2.055*40/√n

=>10√n= 2.055*40

=>√n =  82.2/10

=>n=67.6 ,which is almost  68

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let $w 1, w 2, \dots, w n$ be complex numbers. a line $l$ in the complex plane is called a mean line for the points $w 1, w 2, \dots, w n$ if $l$ contains points (complex numbers) $z 1, z 2, \dots, z n$ such that \[\sum {k

Answers

The slope of the line is going to be m = 163.

Here, we have been told that the sum of the numbers is going to be -

= [tex]w _{k}[/tex]= 3 + 504i (i)

The other set of complex numbers is (z₁, z₂, ....[tex]z_{k}[/tex]) and their sum is going to be = [tex]z_{k}[/tex]= 3 + 504i (ii)

If we write the number 3+504i in the standard form for complex numbers i.e., a+bi with respect to the summations, we get -

=  [tex]a_{k}[/tex]= 3 (III)

= [tex]b_{k}[/tex]= 504 (Iv)

The standard equation is of the form, y = mx+3. Substituting the polar coordinates, we get -

= [tex]b_{k}[/tex] = m[tex]a_{k}[/tex] + 3

Now, if we use all of the given values in equations (iii) and (iv) for k, we get -

= 504 = 3m + 15

Now, on simply solving for m, we get -

= 3m = 504 - 15 = 489

= m = 489/3

= m = 163

Henceforth, we find out that the slope of the line, m is 163.

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Write the equation of the line that passes through the points (2, 7) and (5,-2).

Answers

Answer:

y = -3x + 13

Step-by-step explanation:

Assuming the line is linear, you can use the point-slope equation of a line.

(y - y) = m (x - x)

The y and x variables come from the points on the line. Points are written in the form (x, y). In the point (2,7), 2 is x and 7 is y.

1. Plug your points in.

(7 - - 2) = m (2 - 5)

2. Solve for m (the slope)

(7 + 2) = m (2 - 5)

(9) = m (-3)

9 = -3m

m = -3

3. Write an equation of the line with the slope you found.

You can write this equation in different forms, but I'll use the slope-intercept form.

y = mx + b

You'll have to find b, the y-intercept. You can plug one of your points in for x and y as well as your slope, m, and solve for b.

7 = -3(2) + b

7 = -6 + b

b = 13

Therefore, the equation is y = -3x + 13

The answer is y=-3x+13


What is the area of triangle ABC if a = 7, c = 11, and B = 55°?
Round the answer to the nearest hundredth.

Answers

The area of the triangle is 31.54 square units

How to determine the area of the triangle

From the question, we have the following parameters that can be used in our computation:

We have the following values

a = 7 units

c = 11 units

B = 55 degrees

The area of the triangle is calculated using the following area formula

Area = 1/2absin(C)

Substitute the known values in the above equation, so, we have the following representation

Area = 1/2 * 7 * 11 * sin(55 degrees)

Evaluate

Area = 31.54

Hence, the area is 31.54 square units

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only six and seven needed

6- G and P are collinear
7- Points D,H and P are collinear

Answers

Answer: 67 87 34

Step-by-step explanation:

find the temperature (in k) at which the root-mean-square speed of ch4 molecules is the same as the root-mean-square speed of o2 molecules at 448.8 k.

Answers

Temperature of ch4 will be 150K

given :-

[tex]\sqrt{2} speed of 02 = 448.8[/tex]

u.avg. = [tex]\sqrt{8rt/\pi m} \\[/tex]

u.avg ch4 = [tex]\sqrt{8rt1/\pi 16}[/tex]

hence , mass of ch4 = 12 +4 = 16

Methane (US: MEH-thayn, UK: MEE-thayn) is a chemical compound with the chemical formula CH4 (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas.

The molar mass of oxygen atom  O

O

 is 15.99

This is only the mass of 1 oxygen atom so the molar mass of oxygen molecule  O is 15.99

is double the number, i.e. approximately 32

u.avgO2 = [tex]\sqrt{8r(300)/\pi (32)}[/tex]

u.avgch4 = u.avgo2

[tex]\sqrt{8rt1/\pi 16}[/tex] = [tex]\sqrt{8r(300)/\pi (32)}[/tex]

==> t1/16 = 300/32

==> t1 = 150 K

They have same average velocity when the temperature of CH4 is 150 K

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28 Find the area of the figure below.
2(2x-4)om
(2x+10) cm
A. 528cm²
C. 480cm²
B. 92cm²
D. 46cm²
(x +13)cm
*
35

Answers

Answer:

A=L*W2x-4=2x+10x=14ans=912

Use the ruler to measure the length of RS to the nearest centimeter.


The length of RS is __ Centimeters.

Answers

The answer should be 18cm

Here is why I think that:

On the ruler, you should count from 9 to 26

9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26.

1,  2,   3,  4,   5,  6,   7,   8,   9, 10, 11, 12,  13,  14, 15, 16,  17,   18.

The total tick marks from 9 to 26 is = to 18

(I know that R is resting above the number eight, do not count that one, many people make that mistake)

Please let me know in the comments if

somehow my calculation is wrong.

consider the following binomial experiment: the probability that a cell phone manufactured at electronics unlimited is defective is 0.11. if a sample of 6 cell phones is selected at random, what is the probability that at least one is defective? a) 0.4423 b) 0.5030 c) 0.4970 d) 0.5584 e) 0.4416 f) none of the above.

Answers

Using the binomial distribution, it is found that there is a 0.5954 = 59.54% probability that at least 1 is defective.

What is the binomial distribution?

A collection of numerous independently distributed Bernoulli trials with equal distributions results in the binomial distribution. The experiment in a Bernoulli trial is said to be random and can only result in one of two outcomes: success or failure.

For each phone, there are only two possible outcomes, either it is defective, or it is not. The probability of a phone being defective is independent of any other phone, which means that the binomial distribution is used to solve this question.

Binomial probability distribution

[tex]P(X = x) = C_n, x. p^{x.(1-p)^n-x}[/tex]

[tex]C_n, x = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

x is the number of successes.

n is the number of trials.

p is the probability of success on a single trial.

In this problem:

0.11 probability of a single phone is defective, hence

6 phones are selected at random, hence

The probability that at least 1 is defective is:

P(X >= 1) = 1 - P(X = 0)

In which

[tex]P(X = x) = C_n, x. p^{x.(1-p)^n-x}[/tex].

P(x = 0) = C₆,₀.(0.11)⁰ (0.86)⁶ = 0.4046

Then:

P(X >= 1) = 1 - P(X = 0) = 1 - 0.4046 = 0.5954

Hence, the 0.5954 = 59.54% probability that at least 1 is defective.

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In PQR, QR PQ and m/Q = 159°. Find m/P.

Answers

Applying the definition of an isosceles triangle, the measure of angle P = 10.5°.

What is an Isosceles Triangle?

If a triangle has two sides that are of the same length, then the triangle is an isosceles triangle. Thus, the angles that are opposite the two equal sides of an isosceles triangle are called the base angles, and they are therefore congruent to each other.

Given that triangle PQR has two equal sides, QR ≅ PQ, it means it is an isosceles triangle, therefore its base angles, ∠P ≅ ∠R.

Therefore:

m∠Q = 159° [given]

m∠P = 1/2(180 - 159)

m∠P = 1/2(21)

m∠P = 10.5°

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hypotheses: h0: pass/fail rates are school. h1: pass/fail rates are school. which of the following best fits the blank spaces above?

Answers

The correct option is independent of, dependent on for the given sets of hypothesis H0: Pass/fail rates are _____ school. H1: Pass/fail rates are _____school.

What is hypothesis?

A hypothesis is a statement that makes sense in light of the available information but hasn't been proved true or wrong. A hypothesis in statistics is a claim that will serve as the foundation for hypothesis testing (also known as a statistical hypothesis). A straightforward hypothesis is a claim that expresses the relationship between precisely two variables. a dependant and a single independent. Take the statement "Smoking is a significant cause of lung cancer" as an example. Smoking is an independent variable that influences the dependent variable, lung cancer.

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(a) at point a or point b is the gradient vector more horizontal? why? (b) at point a or point b is the gradient vector longer? why?

Answers

The definition of the gradient vector for point a to b is defined below.

Vector:

In math vector value consists of magnitude and direction.

Given,

Here we need to find the gradient vector of point a or point b.

According to the definition of vector, a multidimensional input have partial derivatives, you might wonder what the full derivative of such a function is. Here in the case of scalar-valued multivariable functions, meaning those with a multidimensional input but a one-dimensional output, the answer is the gradient.

Where as the gradient of a function f, denoted as ∇f,

Where f, is the collection of all its partial derivatives into a vector.

Here the point a and b is more horizontal because of the partial derivative nature of vector.

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How many eighty-fours are in 672?

Answers

Answer: 8

Step-by-step explanation:

We only need to take  672/84 = 8

So there are 8

If you can please give me a Brainliest, I only need 1 more to become an Ace, thank you!

Answer:

x=8

Step-by-step explanation:

Lets assume that the number of 84 is x

as given in this equation

total values given in the question be 672

then the equatiuon becomes

84 multiplied by x is 672

simplify above the equation

84x=672

[tex]x=\frac{62}{84}[/tex]

x=8

Therefore, the number of 84 is 672 is 8.

(Hope this helped! :D)

Which of the following would best describe the situation that a second-degree polynomial regression equation would be used to model?
A) An exponential growth trend
B) A cosine function
C) A parabola
D) It depends on the number of independent variables.

Answers

(C) A parabola is the best representation of the situation that a second-degree polynomial regression equation would be used to mimic.

What is a Parabola?

A parabola is an approximately U-shaped, mirror-symmetrical plane curve in mathematics.

It corresponds to a number of seemingly unrelated mathematical descriptions, all of which can be shown to define the same curves.

A parabola can be described using a point and a line.

The situation that a second-degree polynomial regression equation would be used to simulate is best described by a parabola.

The phrase "parabolic move" originated as trader jargon.

It describes when a stock experiences an increase in price that resembles the right side of a parabolic curve: A parabolic move happens when the stock's price rises at an exponentially faster rate.

Therefore,(C) a parabola is the best representation of the situation that a second-degree polynomial regression equation would be used to mimic.

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the volume of a gas in a container varies inversely with the pressure on the gas. if a gas has a volume of 500 cubic inches under a pressure of 14 pounds per square inch, what will be its volume if the pressure is increased to 19 pounds per square inch? (round off your answer to the nearest cubic inch.)

Answers

If the pressure is increased to 19 pounds per square inch, then the volume is 368.42 cubic inches

The volume of the gas = 500 cubic inches

The pressure = 14 pounds per square inch

The volume of a gas in a container varies inversely proportional with the pressure on the gas.

V ∝ 1/P

Where V is the volume and P is the pressure

Then,

V = k/P

Where k is the constant

500  = k/14

k = 500 × 14

k = 7000

The pressure of the gas = 19 pounds per square inch

Volume = 7000 /19

= 368.42 cubic inches

Therefore, the volume is 368.42 cubic inches

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Endure all, a manufacturer of batteries claims that the lifetime of their batteries is normally distributed with a mean of 500 hours and a standard deviation of 40 hours. What is the probability that an endure all battery selected at random will last more than 550 hours?.

Answers

A random selection of an Endure All battery has a 10.56% probability of lasting more than 550 hours.

Explain the term z score?A Z-score is a metric that quantifies how closely a value relates to a mean of a set of values. Standard deviations as from mean are used to measure Z-score. A Z-score of zero means the data point is entirely score is the same as the mean score.

The Z score is utilized to calculate how far the raw score deviates from the mean.

The Z score is calculated as follows:

z = (x - μ)/σ

Given that x > 550 and μ = 500, σ = 40:

z = 550 - 500 / 40

z = 1.25

Following the normal distribution chart,

P(z > 1.25) = 1 - P(z < 1.25)

P(z > 1.25) = 1 - 0.8944

P(z > 1.25) = 0.1056

Therefore, there is a 10.56% chance that a randomly chosen Endure All battery would survive longer than 550 hours.

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HELP MEEEEEE bc y’all are slay

Answers

The correct relation is that both the angles are corresponding angles.

What are corresponding angles?

Corresponding angles are angles that occur on the same side of the transversal line and are equal in size.

Given is an arrangement of streets in the form of two parallel lines and a street acting as a transversal.

The angle of library and angle of school are corresponding angles, and corresponding angles between parallel lines are congruent.

Since,  angle of library = 42°

angle of school =  angle of library

Therefore, angle of school = 42°

Hence, The correct relation is that both the angles are corresponding angles.

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11. There is a $10 monthly membership fee to download music. There is
a $0.50 fee for each song downloaded.
a. Write a linear equation that models the cost of downloading x songs
per month.
b. Graph the equation.
c. What is the cost of downloading 15 songs?

Answers

Answer:

A) y=0.5x+10 C) 17.5 dollars (don't forget your units)

Step-by-step explanation:

a) 0.5 is the price paid per song, or x, and 10 is the price that does not change for a month, so we can say that y=0.5x+10

c) to download 15 songs, we substitute x by 15

y=0.5(15)+10

y=7.5 + 10

y=17.5

and for b, im sorry but I cannot graph here.

-3x-4y=12 solve for Y

Answers

Here is the answer for your problem. You will first need to divide by negative four to isolate the Y as it’s own variable. Then, there is the problem of that 3/4x on your left side. By subtracting it from both sides, you are isolating your Y all by itself and solving for Y.

Round the decimal 213.21 to the nearest whole number.

Answers

Answer: 213

Step-by-step explanation:

Answer: 213

Step-by-step explanation:

my regular recipe for cream of potato soup makes 50 8-ounce servings. i need to make potato soup for 200, but i want to increase the portion size to 12 ounces. what conversion factor should i use to adjust my recipe for the new amount?

Answers

The conversion factor you should use to adjust your recipe for the new amount is 6.

What is conversion factor?

A conversion factor is a number that is used to multiply or divide one set of units into another. If a conversion is required, it must be done using the correct conversion factor to get an identical value.

Equating the conversion factor :

Given: original serving = 50                        8-ounce serving            

required new serving = 200                     12-ounce serving

To find: conversion factor?

Original serving = 50×8 ounce = 400 ounce

Required serving = 200×12 ounce                          

 = 2400 ounce

As we know, conversion factor = {Required Yield} ÷ {Original Yield}

∴ Conversion factor =2400 ÷ 400

∴  Conversion factor = 6

Conversion factor is greater than 1 when required yield is supposed to be greater than original yield and conversion factor is less than 1 when required yield is less than original yield.

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is the pareto distribution a member of a location family? a member of a scale family? a member of a location-scale family? none of the above? explain.

Answers

Pareto distribution is a member of a scale family referring fixed values of the shape parameter, it is trivially closed under scale transformations.

The Pareto distribution is a power-law probability distribution used in description of social, quality control, scientific, geophysical, actuarial, and many other types of observable phenomena. It was initially applied to demonstrate the distribution of wealth in a society, fitting the trend that a large portion of wealth is held by a small fraction of the population. The pareto principle or 80-20 rule states that 80% of outcomes are due to 20% of causes. Pareto distribution is a member of the scale family distribution which is parameterized by a scale parameter. The larger the scale parameter, the more spread out the distribution.

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To prepare for the drama club's upcoming musical performance, Ms. Melody is printing programs on the school's copier. The number of programs Ms. Melody has printed increases over time. This situation can be modeled as a linear relationship.
What does the slope of the line tell you about the situation?

Answers

The slope of linear graph is 4 which means the rate of prinitng program copies is 4 copies per minute.

What is formula for slope?

The slope of the line between two points (x₁, y₁) and (x₂, y₂) is

m = (y₂ - y₁)/(x₂ - x₁)

Slope of a line signifies rate of change between two quantities.

According to the given question:

(Check the graph attached below)

From the graph the two points we can consider for finding the graph are (0,0) and (3, 120)

Putting these values in the formula for slope

m = (y₂ - y₁)/(x₂ - x₁)

   = (120 -0)/(30 - 0)

   = 4

Hence slope of the line in the situation tells that the rate of printing program is 4 copies per minute.

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Calculate the resulting change in GDP for each of the following MPCs when the government increases its spending by $250 billion.Instructions: Round your answers to one decimal place.a. The marginal propensity to consume (MPC) = 0.2.The change in GDP is $ _______billion.b. The marginal propensity to consume (MPC) = 0.5.The change in GDP is $______ billion.c. The marginal propensity to consume (MPC) = 0.8.The change in GDP is $ _____billion.d. Comment on the relationship between the MPC and the resulting change in GDPas the MPC rises, does its effect on GDP (increase or decrease)?As the MPC rises, its effect on GDP (Click to select)(stays the same decreases increases) can someone pls help me what quantity of heat (in kj) will be released if 1.20 mol of sro is mixed with 0.951 mol of co in the following chemical reaction? sro (s) co (g) srco (s) h a reaction vessel contains5.50 g of co and 5.50g of o2. how many grams of co2 could be produced according to the following unbalanced reaction? looking at the fungi, which characteristics would you expect to see in the black bread mold rhizopus stolonifer, a member of the zygomycota? choose all that apply. You decide to conduct a genetic analysis of these mutant lines by crossing each with a pure wild-type line. The numbers in the F2 indicate the number of progeny in each phenotypic class.From these results, determine the relationship between the mutant allele and its corresponding wild-type allele in each line.Label each mutant line with the best statement from the list below. Labels may be used once, more than once, or not at all.View Available Hint(s)for Part AThe mutant allele is dominant to its corresponding wild-type allele.The mutant allele is recessive to its corresponding wild-type allele.The mutant allele is neither dominant nor completely recessive to its corresponding wild-type allele. (a) calculate the tension in a vertical strand of spider web if a spider of mass 8.00 105 kg hangs motionless on it. (b) calculate the tension in a horizontal strand of spider web if the same spider sits motionless in the middle of it. the strand sags at an angle of 12 below the horizontal. vertical banded gastroplasty is a surgical procedure that reduces the volume of the stomach in order to produce weight loss. in a recent study, 82 patients with type 2 diabetes underwent this procedure, and 59 of them experienced a recovery from diabetes. does this study provide convincing evidence that the percentage of those with diabetes who undergo this surgery will recover from diabetes differs from 74%? use the a family is preparing for travel and the parents report that their 5-year-old child has frequent motion sickness. the nurse will tell the parents to ask the provider about which antihistamine to help prevent symptoms? a. desloratadine [clarinex] b. dimenhydrinate [dramamine] c. hydroxyzine [vistaril] d. promethazine [phenergan] Base-catalyzed biodiesel production utilizes __________________: transformation of an ester into another ester through interchange of the alkoxy group.