Question:

A grocery store would like to determine whether or not they

Last updated: 8/14/2022

A grocery store would like to determine whether or not they

A grocery store would like to determine whether or not they should continue to sell shortbread cookies. They take a random sample of 550 customers. 30% of the customers purchase shortbread cookies. Construct a 95% confidence interval to estimate the proportion of customers that purchase shortbread cookies. All conditions for confidence intervals have been met. (0.28, 0.320) (0.261, 0.338) (0.20, 0.40) (0.25, 0.35)