kpnclark8655 kpnclark8655

26-03-2024
Mathematics

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A trainer wants to estimate the population mean running times within 2 minutes. What is the minimum same size required to construct a 99% confidence interval for the population mean training time? Assume the population standard deviation is 8.6 minutes.
a. 59 runners
b. 60 runners
c. 123 runners
d. 205 runners

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