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Use the given information to find the minimum sample size required to estimate an unknown population mean . 10) How many women must be randomly

Use the given information to find the minimum sample size required to estimate an unknown population mean .

10) How many women must be randomly selected to estimate the mean weight of women in one age group. We want 90% confidence that the sample mean is within 2.7 lb of the population mean, and the population standard deviation is known to be 22 lb.

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