Verify that the distribution you constructed in Try It Yourself 2 is a probability distribution.

a. Verify that the probability of each outcome is between 0 and 1, inclusive.

b. Verify that the sum of all the probabilities is 1.

c. Make a conclusion.

Frequency Distribution

Sales per day, x         Number of days, f

0 ………………………………...      16

1 ………………………………...      19

2 ………………………………...      15

3 ………………………………...      21

4 ………………………………...       9

5 ………………………………...      10

6 ………………………………...       8

7 ………………………………...       2