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(Solution Library) A researcher was interested in estimating whether younger college students got enough sleep. In a prior study, the average amount of sleep

Question: A researcher was interested in estimating whether younger college students got enough sleep. In a prior study, the average amount of sleep was 6.7228 hours per night. The standard deviation of sleep times is estimated to be 1.600 hours per night. If the researcher would like to estimate the true mean with 95% confidence and a margin of error of only 1/2 hour, how many college students should be sampled?

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