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Function: require_once
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Function: require_once
A survey of shoppers is planned to see what percentage use credit cards. Prior surveys show that
65%of shoppers use credit cards. How many randomly selected shoppers must we survey in order to estimate the proportion of shoppers who use credit cards to within a 2% Margin of Error with
96%confidence? You'll use the sample size formula taught in class. Be sure to show all your work and round up your final sample size (n) answer appropriately. (3 points)