A telemarketer makes six phone calls per hour and is able

Chapter 6, Problem 16E

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QUESTION:

Problem 16E

A telemarketer makes six phone calls per hour and is able to make a sale on 30 percent of these contacts. During the next two hours, find:

a. The probability of making exactly four sales.

b. The probability of making no sales.

c. The probability of making exactly two sales.

d. The mean number of sales in the two-hour period.

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QUESTION:

Problem 16E

A telemarketer makes six phone calls per hour and is able to make a sale on 30 percent of these contacts. During the next two hours, find:

a. The probability of making exactly four sales.

b. The probability of making no sales.

c. The probability of making exactly two sales.

d. The mean number of sales in the two-hour period.

ANSWER:

Solution:

Step 1 of 3:

A telemarketer makes six phone calls per hour.

 He is able to make a sale on 30 percent of these contacts.

  1. We have to find the probability of making exactly four sales.
  2. We have to find the probability of making no sales.
  3. We have to find the probability of making exactly two sales.
  4. We have to find the mean number of sales in the two hour period.

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