A store randomly samples 603 shoppers over the course of a year and finds that 142 of them made their visit because of a coupon they’d recei

Question

A store randomly samples 603 shoppers over the course of a year and finds that 142 of them made their visit because of a coupon they’d received in the mail. 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.

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Margaret 7 months 2021-10-07T11:12:30+00:00 1 Answer 0 views 0

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  1. Audrey
    0
    2021-10-07T11:13:38+00:00
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    468.1 shoppers visited because of a coupon

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45:7+7-4:2-5:5*4+35:2 =? ( )