A population has a mean of 300 and a standard deviation of 40. Suppose a sample of size 100 is selected and  is used to estimate .What is the probabil

A population has a mean of 300 and a standard deviation of 40. Suppose a sample of size 100 is selected and  is used to estimate .What is the probability that the sample mean will be within +/- 5 of the population mean (to 4 decimals)?What is the probability that the sample mean will be within +/- 11 of the population mean (to 4 decimals)?

Posted in Uncategorized