Question: Find the sample size necessary to estimate the mean number of aggravated assaults on all college campuses so that there is 95% confidence that the

Find the sample size necessary to estimate the mean number of aggravated assaults on all college campuses so that there is 95% confidence that the sample mean is in error by no more than 2. Assume that a pilot study suggests that the numbers of aggravated assaults at all colleges have a standard deviation of 5.8.
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