Question

A telemarketer calls people and tries to sell them a subscription to a daily newspaper. on 22% of her calls, there is no answer or the line is busy. she sells subscriptions to 5% of the remaining calls. for what proportion of calls does she make a sale

Answer 1

3.9%

She makes a sale on 5% of the remaining calls that do pick up (22% dont pick up so 78% do pick up)

5% * 78%=

.005*.78= .039 or 3.9%