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A population has a mean of 200 and a standard deviation of 90. Suppose a simple random sample of size 100 is selected and is

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A population has a mean of 200 and a standard deviation of 90. Suppose a simple random sample of size 100 is selected and is used to estimate . Use 2-table. a. What is the probability that the sample mean will be within :6 of the population mean (to 4 decimals)? b. What is the probability that the sample mean will be within 6:16 of the population mean (to 4 decimals)

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