Q 3/ In a certain city, the number of power outages per month is a random variable, having a distribution with u = 11.5 and o= 2.5 If this distribution can be approximated closely with normal distribution, what is the probability that: a) There will be exactly 12 outages in any one month? b) There will be at least 9outages in any month?
Q 3/ In a certain city, the number of power outages per month is a random variable, having a distribution with u = 11.5 and o= 2.5 If this distribution can be approximated closely with normal distribution, what is the probability that: a) There will be exactly 12 outages in any one month? b) There will be at least 9outages in any month?
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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