Question

homework 3 problem 7
(1 point)
a telemarketer calls people and tries to sell them a subscription to a daily newspaper. on 17% of her calls, there is no answer or the line is busy. she sells subscriptions to 7% of the remaining calls. for what proportion of calls does she make a sale?
proportion =
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Explanation:

Step1: Calculate non - busy/answered calls proportion

The proportion of calls with no answer or busy is 17% or 0.17. So the proportion of calls that are answered is $1 - 0.17=0.83$.

Step2: Calculate sale proportion

She sells subscriptions to 7% or 0.07 of the remaining (answered) calls. So the proportion of calls in which she makes a sale is $0.83\times0.07 = 0.0581$.

Answer:

$0.0581$