Mathematics, 10.12.2019 21:31 delgadillogiselle711

The manager of a grocery store has taken a random sample of 100 customers the average length of time it took these 100 customers to check out was 3 minutes. it is known that the standard deviation of the population of check out times is 1 minute. with a .95 probability, the sample mean will provide a margin of error

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The manager of a grocery store has taken a random sample of 100 customers the average length of time...