Chapter 7, Problem 6PS

a.

To determine

Describe the shape of the sampling distribution of $\overline{X}$ if $n=4$ .

b.

To determine

Describe the shape of the sampling distribution of $\overline{X}$ if $n=100$ .

c.

To determine

Determine the probability that the sample mean will be less than $\$315,000$ .

d.

To determine

Determine the probability that the sample mean will lie between $\$295,000$ and $\$310,000$ .