Suppose that a sample of customers per hour were randomly taken from a store and that the

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Suppose that a sample of customers per hour were randomly taken from a store and that the sample standard deviation of the number of customers per hour was 2.4 are based on this information. Assume that the number of customers per hour is normally distributed.
If the level of confidence were 99% instead of 95%, with the sample size still 10, show why the confidence interval would be wider than the one in Question 9.
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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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