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. 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 is (0.2016, 0.2694) The store management can be 95% confident that any sample of shoppers would have a proportion of visitors whose visit is because of receiving a coupon be within this confidence interval The store management can be 95% confident that the population proportion of customers visiting the store because they received a coupon is within our confidence interval 95% of customers visiting the store because of receiving a coupon is within our confidence interval
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.
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 is (0.2016, 0.2694)
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The store management can be 95% confident that any sample of shoppers would have a proportion of visitors whose visit is because of receiving a coupon be within this confidence interval |
The store management can be 95% confident that the population proportion of customers visiting the store because they received a coupon is within our confidence interval |
95% of customers visiting the store because of receiving a coupon is within our confidence interval |
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