On average, 0.75 shoplifting incidents occur a week at a store. Let X be the number of shoplifting incidents occurring over a period of four weeks. a. What is the probability distribution X? Calculate the mean and variance of X. b. Find the probability that there is at least one shoplifting incident in the period of four weeks.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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On average, 0.75 shoplifting incidents occur a
week at a store. Let X be the number of
shoplifting incidents occurring over a period of
four weeks.
a. What is the probability distribution X?
Calculate the mean and variance of X.
b. Find the probability that there is at least
one shoplifting incident in the period of
four weeks.
Transcribed Image Text:On average, 0.75 shoplifting incidents occur a week at a store. Let X be the number of shoplifting incidents occurring over a period of four weeks. a. What is the probability distribution X? Calculate the mean and variance of X. b. Find the probability that there is at least one shoplifting incident in the period of four weeks.
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