g Suppose that you randomly selected 20 adults. If 18% of the population smoke, a) Using the Range Rule of Thumb, what is the minimum number of usual smokers we can expect to get out of 20 adults

Answers

Answer 1

Answer:

0.16

Step-by-step explanation:

The computation of the minimum no of usual smokers expected to get out of 20 adults is shown below:

Here the standard deviation is

[tex]= \sqrt{npq} \\\\= \sqrt{20\times 0.18 \times (1 - 0.18)}\\\\= \sqrt{20\times 0.18\times 0.82}\\\\= \sqrt{2.952}[/tex]

= 1.72

Now the minimum no of smokers is

[tex]= np - 2\times 1.72\\= 20 \times 0.18 - 3.44\\\\= 0.16[/tex]


Related Questions

what is m CDJ?
please help me I'm super confused.​

Answers

Answer:

34 degrees.

Step-by-step explanation:

Assuming AK is a straight line and being shown angle JDK is right and 90 degrees it can be stated that 4x + (3x-8) = 90 degrees.

Drop the parentheses and get 7x - 8 = 90.

Add 8 to both sides 7x = 98.

Divide both sides by 7, x = 14.

Plug that x value into (3x-8), [3(14)-8] = 34 degrees.

Answer:

34 degrees

Step-by-step explanation:

So, because mJDK and mJDA lie on a line, they must be supplementary, and since mJDK is 90 degrees, mJDA must be too. So, you know that the combination of mADC and mCDJ must be 90 degrees. 4x+3x-8=90 simplified is 7x=98, which says that x is equal to 14. So you plug in the values for 3x-8, and voila! mCDJ is 34!

Can someone help me, please????

Answers

Answer: -12

Step-by-step explanation:

if you'd like to convert a Fahrenheit temperature to an approximate Celsius temperature: Start with the temperature in Fahrenheit

Answer:

-12 degrees

Step-by-step explanation:

Fahrenheit and Celsius

10 degree fahrenheit

What is the celsius?

____________________

Take a look at the picture with the information provided, we see that f is the vertical line while c is the horizontal line. Since we are looking for 10 degree fahrenheit, let's find it on the vertical line. If we look at the red line, when it goes across 10 fahrenheit, the approximate part that it hits celsius is -12 degrees.

Find the mode 24,22,46,23,20,25,24

Answers

Answer:

24

Step-by-step explanation:

We are given a strand of numbers and are asked to find the mode.

To find mode, we have to see which number appears the most within the number strand, let's start with ordering the numbers from least to greatest.

20, 22, 23, 24, 24, 25, 46

Looking at the strand we see that 24 appears the most, therefore 24 is the mode.

Answer:

24

Step-by-step explanation:

Put the numbers in order.

20, 22, 23, 24, 24, 25, 46

Count how many of each number.

20

22

23

24, 24

25

46

The number that appeared the most is the mode.

24 appeared twice and the other numbers appeared only once.

how do I graph x+3y=3​

Answers

Answer:

Hopefully this helps on the graphing part.

Answer:

Go to desmos dot com it's a life saver. Type the equation into the thing and it shows up

Or, the equation would be y=-1/3x+3. 3 is your y intercept, and you have a slope of -1/3 (down one, to the right three)

Step-by-step explanation:

Find the measure of angle x in the figure below:

15 degrees
25 degrees
30 degrees
60 degrees

Answers

Answer:

30°

Step-by-step explanation:

180-75-75=30

How many cartwheels can Suzy do? :)

Answers

Answer:

100 :)

Step-by-step explanation:

Answer:

1

Step-by-step explanation:

Solid A is dilated using a scale factor of 2⁄5, resulting in Solid B. Solid B is also dilated using a scale factor of 2⁄5, resulting in Solid C. If the volume of Solid B is 72 km^3, what is the volume of Solid A and Solid C?

Answers

Answer:

28.8 and 180

Step-by-step explanation:

you just times B by 2/5 to get C and divide it by 2/5 to get A

C = (72)(2/5) = 28.8 km³

A = (72)/(2/5) = 180 km³

We know the answers make sense because A shrinks to get B and B shrinks to get C, and our answers match that.

There are 2 red marble, 4 green marbles and 4 blue marbles. What is the probability or randomly selecting a green not replacing it, then selecting a blue ??

Answers

The probability of randomly selecting a green are 2/6

Answer: 4/15

Step-by-step explanation:

A bag contains 1 green, 4 red and 5 yellow balls. Two balls are selected at
random. Find the probability if there is no replacement of P(1 green and 1
yellow).

Answers

Answer:

The probability is 1/18.

Step-by-step explanation:

There are 10 balls in total. Let's start with the probability of just the green. There is 1 green ball.out of 10 balls total, so the probability of pickin just the green one would be 1/10. Since we aren't replacing the balls after we choose them, the total number of balls is now 9. now the probability of picking one yellow ball out of the nine balls left is 5/9 because there are 5 yellow balls. To get the probability of the green and yellow balls picked, we multiply the individual probabilities to get the actual probability of choosinf one green and one yellow ball without replacement. So multiply 1/10×5/9= 5/90, simplified to 1/18.

Two balls are selected at random, the probability of choosing two balls 1 green and 1 yellow without replacement is 1 / 20

Probability-based problem:

What information do we have?

Number of green balls = 1

Number of red balls = 4

Number of yellow balls = 5

Total number of balls = 1 + 4 + 5 = 10

Probability of green ball = 1 / 10

Probability of yellow ball = 5 / 10

Probability if there is no replacement of P(1 green and 1 yellow) = (1/10)(5/10)

Probability if there is no replacement of P(1 green and 1 yellow) = 1 / 20

Find out more information about 'Probability'.

https://brainly.com/question/11234923?referrer=searchResults

Write an exponential function in the form y=ab^x that goes through points (0,6) and (5, 6144)

Answers

Given:

An exponential function goes through points (0,6) and (5, 6144).

To find:

The exponential function.

Solution:

The general form of an exponential function is

[tex]y=ab^x[/tex]          ...(i)

It goes through points (0,6) and (5, 6144). It means the equation must be satisfied by these two points.

Putting x=0 and y=6, we get

[tex]6=ab^0[/tex]

[tex]6=a[/tex]

Putting a=6, x=5 and y=6144, we get

[tex]6144=6b^5[/tex]

[tex]\dfrac{6144}{6}=b^5[/tex]

[tex]1024=b^5[/tex]

Taking 5th root on both sides, we get

[tex]\sqrt[5]{1024}=b[/tex]

[tex]4=b[/tex]

Putting a=6 and b=4, we get

[tex]y=6(4)^x[/tex]

Therefore, the required exponential function is [tex]y=6(4)^x[/tex].

A preschool teacher gave out a total of 65 cookies to her class during snack ... She allowed each of her 25 students to choose either 3 small cookies or 2 large cookies. Assuming all the children in the class choose one of these two options at snack time, how many of the students in her class choose to have 3 small cookies

Answers

Answer:

25

Step-by-step explanation:

A jar contains 93 marbles, of which 32 are blue, 20 are red, and the rest are green. What is the ratio of green marbles to all marbles?​

Answers

Answer: 52:41

Step-by-step explanation:

help its really urgent

Answers

Answer:

QR and WX are parallel lines. XV and ST or congruent lines. ST, QR, VR, XS, are lines perpendicular to RS.

Step-by-step explanation:

Its self explanatory  (just kidding dont know how to explain)

simplify 7/32 over 1/16

Answers

Answer:

I’m sorry I don’t know the answer

Step-by-step explanation:

Answer:

7/32/1/6

you separate the fractions

7/32÷1/6

change the division sign to multiplication then you take the denominator up and the numerator down.

7/32×6/1

then multiply

42/32

reduce to the lowest term

21/16

PLEASE HELP ME



Mr. Frankel bought 5 tickets to a puppet show and spent $29. He bought a
combination of child tickets for $5 each and adult tickets for $7 each. Which system
of equations below will determine the number of adult tickets, a, and the number of
child tickets, c, he bought?
A. a = c-7
7a + 5c = 29
B.
a+c= 145
a +c= 5
C. 5a + 5c = 34
a+c=5
D.
7a + 5c = 29
a+c= 5

Answers

I’m not really good at this but I’m pretty sure it’s D

What is the percent of the shaded portion of the
figure??
60%
80%
20 %
.60%
HELP MEEE PLSSSSSSSS

Answers

60%



((sorry if I got it wrong))

What is the midpoint of AB?

Answers

Answer:

the answer is weenie I THINK i coudl be wrong tho

Step-by-step explanation:

:)

Find the slope given: (-99, 38) & (-99,722)
m =

Answers

Answer:

722-30=y

-99--99=x

(0,692)

I hope this helps, have a nice day :)

Step-by-step explanation:

Hannah weighed 7.2 pounds at birth. Her weight was recorded at each of her infant doctor visits. The records from her appointments from birth to six months are shown in the table below. 1. Find the line of best fit: 2. Estimate Hannah's weight at her one-year visit:​

Answers

So If Hannah weighed 7.2 lb at birth during the six months that are shown on the table hanna puts on 8.7 during those six months so if we’re estimating what her weight will be at her one year visit

8.7(what she put on during the six months)+ 15.9 (her weight now)= 24.6

Answer: I estimate she will weigh 24.6lb at her one year visit

Hope this helps

Which rational number is less than 4/9​

Answers

Answer:

Step-by-step explanation:

The number 4/9 is a rational number. It is a ratio, or fraction, made up of two integers, 4 and 9. So a rational number less than 4/9 will be any fraction less.

Study the data set shown. Then answer the questions below.

Answers

a. Any number that is not the minimum or maximum could be removed without changing the range.

b. Removing the number 97 changes the range.

What is set ?

In mathematics, a set is a collection of distinct objects, called elements or members, that are treated as a single entity. Sets can contain any type of object, such as numbers, letters, or other mathematical objects.

To find a number that could be removed from the data set without changing the range, we need to determine the minimum and maximum values in the set. In this case, the minimum value is 53 and the maximum value is 97, so any number that is not the minimum or maximum could be removed without changing the range. For example, we could remove the number 85:

53 54 63 63

68 68 68 74

82 85 92 88

89 92 92 97

The range of the data set is still 97 - 53 = 44.

To find a number that could be removed from the data set that would change the range, we need to identify a number that is either the minimum or maximum value. For example, we could remove the number 97:

53 54 63 63

68 68 68 74

82 85 85 88

89 92 92

b. The range of the data set is now 92 - 53 = 39, which is smaller than the original range of 44.

Therefore, removing the number 97 changes the range.

To know more about set visit :

https://brainly.com/question/13458417

#SPJ1

Plot the points (-10,3) and (-10, –6)

Answers

I don’t know because you don’t show any chart

Well, basically this is how it is graphical, you can also check on your scientific calculator because it is a prendicular line, I hope it has served you

PLease please

Mr. Voelz estimates that he will spend $10 on concessions at the basketball game. He actually spends $15. What is the percent error?

please

Answers

Answer:

He spent 150% than what he estimated.

Step-by-step explanation:

15 ÷ 10 = 1.5 = 150%

Answer: 66.67%

Step-by-step explanation: The first step is to divide 10 by 15 to get the answer in decimal form: 10 / 15 = 0.6667 Then, I multiplied the answer from the first step by one hundred to get the answer as a percentage: 0.6667 * 100 = 66.67%

TRUE OR FALSE PLEASE

Answers

Answer:

false

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

I'm pretty sure...

Joey pays $35.85 each month for his new stereo what does he pay each year

Answers

ANSWER
$430.20

STEP BY STEP
there are 12 months in a year so multiply that number by 12.

Hope this helps

Answer:

$430.20

Step-by-step explanation:

35.85 x 12= 430.20

Factor the expression -18y-27

Answers

Answer:

-9(2y+3) Tip: Download photo math lol : )

Kala will rent a car for a day. The rental company offers two pricing options: Option A and Option B. For each
pricing option, cost (in dollars) depends on miles driven, as shown below.
no 1
Option A
Option 3
Cost
10
(in dollars)
TO
Miles driven
Х
5
?
(a) If Kala drives the rental car 300 miles, which option costs more?
Option A Option B
How much more does it cost than the other option?
so
(b) For what number of miles driven do the two options cost the same?
If Kala drives more than this amount, which option costs more?
Option A Option B

Answers

It’s a hope it helps

1. Simplify the following expression. *
11/15 - 1/6

Answers

11/15= 11/15 - 1/6= 1/6
The answer is to this question is 17\30

somebody help plz how can i solve the following equations of 6v+3=21​

Answers

21-3= 18 and 18 divided by 6 equals 3 so v=3

Will give brainliest

Answers

Answer:

Trapezoid

Step-by-step explanation:

The two sloped opposite sides are congruent. The two uncongruent opposite sides are parallel. There are no right angles. You can do this by finding the distance and slopes of the lines.

Not triangle because has four vertices.

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