main

prev        

Statement of a problem № m150

        next    

A telemarketer makes six phone calls per hour and is able to make a sale on 30% of these contacts. During the next 2 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 2-hour period.

Solution:
A telemarketer makes six phone calls per hour and is able to make a sale on 30%

New search. (Also 1294 free access solutions)