Answer:
The population mean is 19.2 to 20.8.
Step-by-step explanation:
The formula of Confidence interval is
CI = mean ± z*[tex]\frac{s}{\sqrt{n} }[/tex]
where
n = sample size
s = Population standard deviation.
mean = Sample mean
z(α/2) = Two tailed z-value for significance level of .
Given : Confidence level = 95.44% = 0.9544
Significance level = α = 1-0.9544 = 0.0456
Now we Use standard z-value table
z-value for Significance level of 0.0456 :
z(α/2) = z(0.0228) = 1.99 = 2(approximately)
And we are given
n=144
s = 4.8
mean = 20
so the required Confidence interval is
CI = 20± 2*[tex]\frac{4.8}{\sqrt{144} }[/tex]
= 20 ± 2*[tex]\frac{4.8}{12}[/tex]
= 20 ± (0.8)
= (20-0.8, 20+0.8 )
= (19.2 , 20.8)
Therefore the 95.44% CI value for the population mean of 20 is 19.2 to 20.8.
You buy tomatoes in 25- pound cases. One batch of cobb salad requires 6 ounces of tomatoes. How many portions can be made with one shipment. Round down don't include parrial portions
2y-10=6x
plz help me
Answer: simplifying
Step-by-step explanation:
2y + -10 = 6x
Reorder the terms:
-10 + 2y = 6x
Solving
-10 + 2y = 6x
Solving for variable 'y'.
Move all terms containing y to the left, all other terms to the right.
Add '10' to each side of the equation.
-10 + 10 + 2y = 10 + 6x
Combine like terms: -10 + 10 = 0
0 + 2y = 10 + 6x
2y = 10 + 6x
Divide each side by '2'.
y = 5 + 3x
Simplifying
y = 5 + 3x
Step-by-step explanation:
your well come...
Which of the following accurately shows the range of the function defined below? [3, infinity), [2,infinity), [3,6], (-infinity, infinity)
2,infinity
Hope this helps
Answer:[2,♾)
Step-by-step explanation:
Isabella tossed a coin and spun a spinner that is divided into 3 equal sections. She did this 50 times. The results are shown in the table. What is the experimental probability that the next time Isabella tosses the coin and spins the spinner she will get a tails and a 2? *
Answer:
ur gay landen
Step-by-step explanation:
Find the difference: 25 kg 32 g - 23 kg 83 g
The difference of the weight is 1 kg 949 g.
How to find the difference of numbers?The weight of the two items to find the difference are as follows:
25 kg 32 g23 kg 83 gDifference in mathematics is the result of subtracting one number from another.
Therefore, let's convert the weight .
1000g = 1 kg
32 g =
cross multiply
weight = 32 / 1000
weight = 0.032 kg
1000g = 1 kg
83 g = ?
cross multiply
weight = 83 / 1000 = 0.083 kg
Therefore,
25 kg + 0.032 kg = 25.032 kg
23kg + 0.083 kg = 23.083 kg
Hence,
the difference of the weight = 25.032 kg - 23.083 kg
the difference of the weight = 1.949 kg
Hence,
the difference of the weight = 1 kg 949 g
learn more on difference here: https://brainly.com/question/13923478
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Dina is making a logo and she decides to use a regular polygon. Each interior angle of the polygon measures 140°. what is the number of sides of this polygon?
Answer:
Number of sides = 360/ (180 -140)
Number of sides = 360/ 40
Number of sides = 9
Step-by-step explanation:
I don't want a lot for Christmas
There is just one thing I need
I don't care about the presents
Underneath the Christmas tree
I just want you for my own
More than you could ever know
Make my wish come true
All I want for Christmas is you
I don't want a lot for Christmas
There is just one thing I need (and I)
Don't care about the presents
Underneath the Christmas tree
I don't need to hang my stocking
There upon the fireplace (I)
Santa Claus won't make me happy
With a toy on Christmas day
I just want you for my own (ooh)
More than you could ever know (ooh)
Make my wish come true
All I want for Christmas is you (you, baby)
I won't ask for much this Christmas
I won't even wish for snow (and I)
I just wanna keep on waiting
Underneath the mistletoe
I won't make a list… THE XMAS SPIRITTT
Answer:
I have this copied to my clipboard for me to past in comments!
Step-by-step explanation:
And it is CHRISTMAS do not X out Christ.
Mwah
Answer:
is this the All I want for christmas is you by mariah carey( I love the song )
In a really exciting part of the book, the student read 18 pages in one sitting. For how many minutes did she read?
Manuel saved $375 in 6 months. At this rate, how much will he save in 2 years
Answer:
666
Step-by-step explanation:
ggjgjg
Answer:
1500
Step-by-step explanation:
If you have 375$ in 6 months then that means you should have 750$ in 1 year. That also means you would have 1500$ in 2 years. Hope this helps.
what is the Mean Median Mode 1) 81,83,44,91,40
Answer:
67.8 is the mean
81 is the median.
There is no mode in this set.
Step-by-step explanation:
Mean is the average.
Median is the middle number.
Mode is the number that appears the most.
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
PLEASE HELP ASAP
Let tan(x)=2/5
What is the value of tan(2pi-x)?
5/2
-2/5
2/5
-5/2
Answer:
-2/5Step-by-step explanation:
Giventan (x)=2/5To findtan (2pi - x)Solutiontan (2pi - x) = - tan (x) =- 2/5Correct choice is B
Answer:
Solution given:
tan (2π-x)
=tan (360-x)
=-tanx
we have
tan x=²/5
so
-tan x=-2/5.
Margret is inviting 3 friends to a party. If each friend will get 8 cookies and each box has 6 cookies, how many boxes does Margret need to get?
Answer:
Margret need to get 4 boxes of cookies.
Step-by-step explanation:
Total friends = 3
Cookies each friend will get = 8
Each box has cookies = 6 cookies
How many boxes does Margret need to get?
Total cookies will be= Total friends x Cookies each friend will get
Total cookies will be= 3 x 8 = 24
If one box has 6 cookies and we need total 24 cookies so, divide 24 by 6 to get number of boxes
Number of boxes = Total cookies/ number of cookies in one box
Number of boxes = 24/6
Number of boxes = 4
So, Margret need to get 4 boxes of cookies.
Two cars got an oil change at the same auto shop. The shop charges customers for each quart of oil plus a flat fee for labor. The oil change for one car required 5 quarts of oil and cost $21.90. The oil change for the other car required 7 quarts of oil and cost $25.40. How much is the labor fee and how much is each quart of oil?
Answer:
Step-by-step explanation:
Let x = the fee and let y = the cost per quart of oil
x + 5y = 22.45
x + 7y = 25.45 Multiply this equation by (-1) and add it to the 1st equation
-x -7y = -25.45
x + 5y = 22.45
-2y = -3
y = $1.50 /quart
x + 5(1.50) = 22.45
x + 7.50 = 22.45
x = $14.95 is the basic fee
PLEASE HELP ME FAST!!! THIS IS DUE TODAY I JUST NEED TO GRAPH THE EQUATION
Answer: Put the problem into Desmos Graphing Calculator
Step-by-step explanation:
please could you give me the answer?
The second bar representing Paris is misplaced.
The bar representing Munich is a bit larger than needed.
The bar representing Oslo is misplaced.
Ana sells blueberry and marble frosted doughnuts. She sells the blueberry doughnuts for P2000
each and the marble frosted doughnut for 21.50 each on Monday. Ana sold 72 doughnuts and earned P1488.00. How many blueberry doughnuts and marble frested doughnuts did she sell
that day?
Solve for x. 0.5(5 - 7x) = 8 - (4x - 6)
Expand and combine like terms.
(4 + 7a²)2 =
Answer:
Step-by-step explanation:
2(4+7a^2)
=8+14a^2
=7a^2+4
OR if that 2 is an exponent
(4+7a^2)^2
=(4+7a^2)(4+7a^2)
=16+49a^4+28a^2+28a^2
=49a^4+56a^2+16
Slope=1/4; y -intercept = 2
Answer:
y=1/4x+2
Step-by-step explanation:
im not sure what your problem is here, so im just gonna assume you have to put it into slope intercept form
−8(y+9)=−40 What does y equal
How do I compare decimal numbers
Answer: You do the same thing that you do for whole numbers but with a decimal
Step-by-step explanation: 3.76 > 2.09 because of the first number
What is the length of JL?
As We can see that point J is on (-2,5) and L is on (-2,-2)
So we know that distance cannot be in negative, thus
Distance between J and L =5+2=7 units
JL=7
Help me please with this :)
Answer: x+y = -1
Step-by-step explanation: standard form is Ax+Bx=C. In this case, x and y’s coefficient is 1, so you don’t have to put anything in front of x and y. An when you bring -8 to the other side, it become positive 8, and -9+8=-1. hope this helps
40) Jose and Eugene each improved their yards by planting rose bushes and geraniums. They bought their supplies from the same store. Jose spent $70 on 7 rose bushes and 4 geraniums. Eugene spent $50 on 6 rose bushes and 2 geraniums. Find the cost of one rose bush and the cost of one geranium
A) rose bush: $7, geranium: $9
B) rose bush: $6, geranium: $7
C) rose bush: $7, geranium: $5
D) rose bush: $8, geranium: $11
Answer:
I need points bro
Step-by-step explanation:
Answer: B) rose bush: $6, geranium $7
Step-by-step explanation:
Jose spent $70 on 7 rose bushes and 4 geraniums.
( 7 x $6 = $42 ) ( 4 x $7 = $28 )
$42+$28= $70
Eugene spent $50 on 6 rose bushes and 2 geraniums.
( 6 x $6 = $36 ) ( 2 x $7 = $14 )
36+14 =50
Ruben bought 2 large popcorn buckets and 4 small drinks for $20. Lucia bought 2
large popcorn buckets and 2 small drinks for $14. How much did the large popcorn
cost? The small drink?
Write a system of equations to model this situation where x = the cost of a large
popcorn and y= the cost of a small drink.
O x +y = 34
20 = x + 2y
Oy= 2x + 20
y = 2x + 14
2x + 4y = 20
2x+2y = 14
O x + y = 20
4x + y = 14
Answer:
4$ for large 3$ for a small
Step-by-step explanation:
Need Help ASAP WILL GIVE BRAINLIEST
(Do not just take points or I will report you.)
A student solved the given equation and justified every step except one. What is the missing reason?
A) Associative property of addition
B) Commutative property of addition
C) Multiplicative property of equality
D) Distributive property of multiplication over division
Answer:
D) Distribute Property
Step-by-step explanation:
The student did Distribute property but they didn't mark it down.
What can 1/3 be rewritten as?
Answer:
2/6,
Step-by-step explanation:
15, sqrt(200), 14
Order from least to greatest
Answer:
14, sqrt(200), 15
Step-by-step explanation:
14 is the least sqrt(200) equals 14.14 then 15
what is the awnser to y=4-3x
Answer:
x= -y-4/3
Step-by-step explanation:
I hope this helps, work is in the picture ;)
Misha solves the equation 3 x minus 2 (x + 3) = 4 (x minus 2) minus 7 by applying the distributive property to each side of the equation. The result is 3 x minus 2 x minus 6 = 4 x minus 8 minus 7. Misha then wants to combine like terms. Which are the terms Misha should combine? 3x – 2x and –8 – 7 3x – 2x and 8 – 7 3x – 2x + 4x and –6 – 8 – 7 3x – 2x – 6 and 4x – 8 – 7
Step-by-step explanation:
The given equation is : 3x-2(x+3)=4(x-2)-73x−2(x+3)=4(x−2)−7
On solving this equation and applying the distributive property, we have
⇒3x-2x-6=4x-8-73x−2x−6=4x−8−7
⇒x-6=4x-15x−6=4x−15
Combining the like terms like terms consisting of x are solved together and the constants are solved together,
⇒x-4x=-15+6x−4x=−15+6
⇒-3x=-9−3x=−9
⇒x=3x=3
Answer:
The answer is A. i just guessed and got it right
Step-by-step explanation:
correct on edge 2020