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hello can you help me answer this question that I have sent to you in a png file below. a. A store manager would like

hello can you help me answer this question that I have sent to you in a png file below.

a. A store manager would like to estimate the proportion of customers who make a purchase of over $300, with 98% confidence and to be within 7% of the true population proportion. How large a sample should he take for his study

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