SOLUTION: A tax firm wants to determine the percentage of Americans who get professional help with their tax returns. They wish to be 95% confident that the estimate is within 2.5%. How larg

Question 1179083: A tax firm wants to determine the percentage of Americans who get professional help with their tax returns. They wish to be 95% confident that the estimate is within 2.5%. How large should the sample size be if it is estimated that 36% of Americans get help with their tax returns?

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
P = .36
.95 Confident;  z = 1.96
n =  =  = 1416.18
1417 Up to nearest whole number.

Wish You the Best in your Studies.

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