Question

The probability that Linda receives spam e-mail is 4 percent. If she receives 520 e-mails in a week, about how many of them can she expect to be spam?

Answer 1

Answer:21 (2 sf)

Explanation:

10%0f 520=52

1%0f 520=52 divide by 10 =5.2

5.2x4=20.8

=21 to 2sf