A sales representative has a chance of 10% of making a sale on every independent phone call she makes. She is about to call 20 different independent people. a. What is the chance that she will make at least 3 sales? Give the answer to 4 decimal places. b. What is the average number (expected value) for the number of sales when she calls 30 people? Give the answer to one decimal places.
A sales representative has a chance of 10% of making a sale on every independent phone call she makes. She is about to call 20 different independent people. a. What is the chance that she will make at least 3 sales? Give the answer to 4 decimal places. b. What is the average number (expected value) for the number of sales when she calls 30 people? Give the answer to one decimal places.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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A sales representative has a chance of 10% of making a sale on every independent phone call she makes. She is about to call 20 different independent people.
a. What is the chance that she will make at least 3 sales? Give the answer to 4 decimal places.
b. What is the average number (expected value ) for the number of sales when she calls 30 people? Give the answer to one decimal places.
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