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The manager of a department store wants to determine what proportion of people who enter the store use the store's credit card for their purchases. What size sample should he take so that at 99% confidence the error will not be more than 8%?

A. 260

B. 290

C. 275

D. 250

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9119261

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