John Davis, a Manager of a Supermarket, Wants to Estimate

Multiple Choice

John Davis, a manager of a supermarket, wants to estimate the proportion of customers who use food stamps at his store. He has no initial estimate of what the sample
Proportion will be. How large a sample is required to estimate the true proportion to
Within 3 percentage points with 98% confidence?

A) 756
B) 1,067
C) 1,849
D) 1,509