A sports writer wants to learn about the distribution of games per Wold Series. Let W be the number of games that are played per best of seven World Series. Results from the last 107 World Series, which can be assumed to be enough, follow:

No. of games played in a best of seven World Series (w)

World Series

4

19

5

27

6

24

7

36

8

1

Use the above table to answer the following questions:

Explain what type of random variable W is.

Find its sample space and probability distribution.

Find its mean value and describe it in terms of the problem.