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Mathematics, 05.12.2019 03:31 Bradgarner772

Astore randomly samples 640 shoppers over the course of a year and finds that 173 of them made their visit because of a coupon they'd receive in the mail.

( round all proportions to four decimal places)

a) construct a 95% confidence interval for the fraction of all shoppers during the year whose visit was because of a coupon they'd received in the mail.

( ) to ( )

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