The mean of the random sample in Example 8.11 is 61.87 minutes. What is the z-equivalent of
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The mean of the random sample in Example 8.11 is 61.87 minutes. What is the z-equivalent of this sample mean, assuming it belongs to a sampling distribution with a mean of 60 and a standard error of 0.85? Use the z-equivalent to find the probability that a sample mean of this magnitude comes from such a sampling distribution
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