SOLUTION: A nurse at a local hospital isinterested in estimating the birth weight of infants. How large a sample must she select if she desires to be 99 perencet confident that a true mean i
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Question 930916: A nurse at a local hospital isinterested in estimating the birth weight of infants. How large a sample must she select if she desires to be 99 perencet confident that a true mean is in with two ounces of the sample mean? the standard deviation of the birth weight is known to be 7 ounces Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! ME = 2.576(7/sqrt(n))
.......
n = (2.576(7/2))^2 = 81.2883 (Always round to next Integer for this)
Sample size: 82
