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A population has a mean of 400 and a standard deviation of 60. Suppose a simple random sample of size 100 is selected and x

A population has a mean of 400 and a standard deviation of 60. Suppose a simple random sample of size 100 is selected and x is used to estimate u. Usez-table.

What is the probability that the sample mean will be within +-10 of the population mean (to 4 decimals)?

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