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Title: The manager of a grocery store has selected a random sample of 100 customers. The average length of ... Post by: k123p on Jan 26, 2018 The manager of a grocery store has selected a random sample of 100 customers. The average length of time it took these 100 customers to check out was 3.0 minutes. It is known that the standard deviation of the checkout time is 1 minute. The 95 confidence interval for the average checkout time for all customers is _____.
a. 3 to 5 b. 1.36 to 4.64 c. 2.804 to 3.196 d. 1.04 to 4.96 Title: The manager of a grocery store has selected a random sample of 100 customers. The average length of ... Post by: alarose on Jan 26, 2018 Content hidden
Title: Re: The manager of a grocery store has selected a random sample of 100 customers. The average length ... Post by: Rochel Alerre on Dec 20, 2020 Thank you
Title: Re: The manager of a grocery store has selected a random sample of 100 customers. The average length ... Post by: Marvin Cabero on Dec 22, 2020 Thank you
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