Suppose you wish to determine the proportion of college students in your state who receive some form of financial aid. You want to be 98% confident of your results and have a maximum error of 5%. Calculate the minimum sample size needed to meet these requirements given that the financial aid office at a local institution estimates the percentage to be 78%.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 2E
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Suppose you wish to determine the proportion of college students in your state who receive some
form of financial aid. You want to be 98% confident of your results and have a maximum error of
5%. Calculate the minimum sample size needed to meet these requirements given that the financial
aid office at a local institution estimates the percentage to be 78%.

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