The following information applies to questions H1-H2: Consider a random variable that represents the life of a tire (in miles) when driven under normal conditions. You know that  is normally distributed in the population with mean

The following information applies to questions H1-H2: Consider a random variable that represents the life of a tire (in miles) when driven under normal conditions. You know that  is normally distributed in the population with mean

G2 Consider the 95% confidence interval estimate of

K1 In the picture, what is the value of area A+B+C+D?

G2 Consider the 95% confidence interval estimate of

K1 In the picture, what is the value of area A+B+C+D?

K1 In the picture, what is the value of area A+B+C+D?

C2 What is the variance of ?

D1 What is the probability that is greater than 2 but less than 4, that is

F2 Find the variance of the sampling distribution of the sample mean.