A population has a mean of 200 and a standard deviation of


Question: A population has a mean of 200 and a standard deviation of 50. Suppose a simple random sample of size 100 is selected and I' is used to estimate p.

a. What is the probability that the sample mean will be within . ± 5 of the population mean?

b. What is the probability that the sample mean wiII be within ± 10 of the population me an?

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Engineering Mathematics: A population has a mean of 200 and a standard deviation of
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