A notebook computer dealer mounts a new promotional campaign. Purchasers of new computers may, if dissatisfied for any reason, return them within 2 days of purchase and receive a full refund. The cost to the dealer of such a refund is $75. The dealer estimates that 14% of all purchasers will, indeed, return computers and obtain refunds. Suppose that 60 computers are purchased during the campaign period. Complete parts a. and b. below. a. Find the mean and the standard deviation of the number of these computers that will be returned for refunds.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A notebook computer dealer mounts a new promotional campaign. Purchasers of new computers may, if dissatisfied for any reason, return them within 2 days of
purchase and receive a full refund. The cost to the dealer of such a refund is $75. The dealer estimates that 14% of all purchasers will, indeed, return computers and
obtain refunds. Suppose that 60 computers are purchased during the campaign period. Complete parts a. and b. below.
a. Find the mean and the standard deviation of the number of these computers that will be returned for refunds.
Transcribed Image Text:A notebook computer dealer mounts a new promotional campaign. Purchasers of new computers may, if dissatisfied for any reason, return them within 2 days of purchase and receive a full refund. The cost to the dealer of such a refund is $75. The dealer estimates that 14% of all purchasers will, indeed, return computers and obtain refunds. Suppose that 60 computers are purchased during the campaign period. Complete parts a. and b. below. a. Find the mean and the standard deviation of the number of these computers that will be returned for refunds.
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