SOLUTION: 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, varian
Algebra ->
Probability-and-statistics
-> SOLUTION: 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, varian
Log On
Question 460885: 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. Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! p=.85, q=.15, n=120
mean=120*.85=102
variance=.85*.15*120=15.3
standard deviation=sqrt(15.3)=3.91
.
Ed
