In the following probabilitydistribution, the random variable x represents the number of activities a parent of a Upper K

K to 5 th

5th-grade student is involved in. Complete parts(a) through(f) below.

x

0

1

2

3

4

P(x)

0.159

0.159

0.382

0.382

0.219

0.219

0.136

0.136

0.104

0.104

(a) Verify that this is a discrete probability distribution.

This is a discrete probability distribution because the sum of the probabilities is

nothing

and each probability is