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Now consider a distribution of Sample Means (Section 5.4). You randomly select a sample of 20 people in this age range. What is the mean

Now consider a distribution of Sample Means (Section 5.4). You randomly select a sample of 20 people in this age range. What is the mean of this distribution? What is the standard deviation of this distribution? Use the "Normal Calculator" in StatCrunch to find the probability that the mean of this sample of 20 people is greater than 53 minutes.

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