Question: 6.49 A random sample of size n = 11 is obtained from a normally distributed population with a population mean of m = 27 and

6.49 A random sample of size n = 11 is obtained from a normally distributed population with a population mean of m = 27 and a variance of s2 = 16.

a. What is the probability that the sample mean is greater than 30?

b. What is the value of the sample variance such that 1%

of the sample variances would be less than this value?

c. What is the value of the sample variance such that 1% of the sample variances would be greater than this value?

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