A company tracks the number of sales new employees make each day during a 100-day probationary period. The results for one new employee are shown below. Construct and graph a probability distribution.

a. Find the probability of each outcome.

b. Organize the probabilities in a probability distribution.

c. Graph the probability distribution using a histogram.

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