A medical researcher wishes to estimate the mean systolic blood pressure of heart surgery patients the day following surgery. She desires a margin of error of 1.6 mmHg. Past studies suggest that a population standard deviation of 43 mmHg is reasonable. Estimate the minimum sample size needed to estimate the population mean with the stated accuracy.

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The Answer of A medical researcher wishes to estimate the mean systolic blood pressure of heart surgery patients the day following surgery. She desires a margin of error of 1.6 mmHg. Past studies suggest that a population standard deviation of 43 mmHg is reasonable. Estimate the minimum sample size needed to estimate the population mean with the stated accuracy.

A Medical Researcher Wishes to Estimate the Mean Systolic Blood