A population consists of 8 items. The number of different simple random samples of size 3 (without replacement) that can be selected from this population is _____.

a.

24

b.

512

c.

56

d.

128

.

As the degrees of freedom increase, the t distribution approaches the _____ distribution.

	a.	normal
	b.	uniform
	c.	p
	d.	exponential