Question

The probability Brenda will recieve a telemarketing call is 15%. If she gets 20 calls a day, how many can she expect to be telemarketing calls ?

Answer 1

3 telemarketing calls

Explanation:

First convert 15% to a decimal:

.15

let x = number of calls

Build an expression

x(.15)

substitute our value for x (20 calls)

20(.15) = 3