Mathematics, 25.02.2021 07:30 gwoodbyrne

A nurse at a local hospital is interested in estimating the birth weight of infants. How large a sample must she select if she desires to be 99% confident that the true mean is within 3 ounces
the sample mean? The standard deviation of the birth weights is known to be 9 ounces.
2
60
7
59
8

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A nurse at a local hospital is interested in estimating the birth weight of infants. How large a sa...