Question
A store randomly samples 500 shoppers over the course of a year and finds that 100 of them made their visit because of a coupon
A store randomly samples 500 shoppers over the course of a year and finds that 100 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.
- Calculate p =
- Calculate the standard error: SE =
- Find the interval for the population proportion:
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Marketing Hospitality
Authors: Cathy H C Hsu, Tom Powers, Thomas F Powers
3rd Edition
0471348856, 9780471348856
