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Alternate Sources of Fuel Eighty-five percent of Americans
Chapter 5, Problem 24E(choose chapter or problem)
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.
Questions & Answers
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.