Alternate Sources of Fuel Eighty-five percent of Americans

Chapter 5, Problem 24E

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QUESTION:

Problem 24E

Alternate Sources of Fuel Eighty-five percent of Americans favor spending government money to develop alternative sources of fuel for automobiles. For a random sample of 120 Americans, find the mean, variance, and standard deviation for the number who favor government spending for alternative fuels.

Source: www.pollingreport.com.

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QUESTION:

Problem 24E

Alternate Sources of Fuel Eighty-five percent of Americans favor spending government money to develop alternative sources of fuel for automobiles. For a random sample of 120 Americans, find the mean, variance, and standard deviation for the number who favor government spending for alternative fuels.

Source: www.pollingreport.com.

ANSWER:

Solution :

Step 1 of 1:

Let n denotes the total American is 120.

Let p denotes the 85% (0.85) of Americans favor spending government money.

We need to find q value.

q = 1-p

q = 1-0.85

q = 0.15

Hence, q=0.15.

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