A researcher in Washington, D.C. wants to estimate the mean number of minutes adult residents spend exercising.

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A researcher in Washington, D.C. wants to estimate the mean number of minutes adult residents spend exercising. He takes a random sample of 70 adult residents and records their average time spent exercising as 72 minutes. Assume that the population standard deviation is 89 minutes

Posted Date: May 19, 2024 08:04 PM

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A researcher in Washington, D.C. wants to estimate the mean number of minutes adult residents spend exercising.

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