In 2016 the Pew Research Center asked a sample of American adults which of the following they had done in the previous 12 months: read a book in any format, read a print book, read an e-book, and listened to an audio book. The percentages of who had engaged in each of these activities is shown in the table.

% of U.S. Adults Who Say They Have ____ in the
Previous 12 Months
Read a book in any format  . . . . .  73%
Read a print book               . . . . . .  65%
Read an e-book                   . . . . . .  28%
Listened to an audio book . . . . . .  14%

Suppose Pew Research Center did another survey polling 1200 people and the percentages were the same as those in 2016.

a. How many would have read a book in any format?

b. How many would have read an e-book?

c. Are the events listed in the table mutually exclusive? Why or why not?