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question 9 QUESTION 9 . 1 POINT Suppose the finishing times for cyclists in a race are normally distributed. If the population standard deviation is

question 9

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QUESTION 9 . 1 POINT Suppose the finishing times for cyclists in a race are normally distributed. If the population standard deviation is 16 minutes, what minimum sample size is needed to be 95% confident that the sample mean is within 5 minutes of the true population mean? Zo.10 Zo.05 Zo.025 Zo.01 Zo.005 1.282 1.645 1.960 2.326 2.576 Use the table above for the z-score. Round only at the final step. Provide your answer below: finishing times

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