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| Teaching Since: | May 2017 |
| Last Sign in: | 409 Weeks Ago |
| Questions Answered: | 66690 |
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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
7.  The number of cars arriving per hour at a toll road booth is assumed to follow a Poisson distribution with mean 𝜆 = 7. What is the probability that three cars will arrive in the next hour.
8.  The probability that a certain building system experiences an air-conditioning (AC) defect is 0.14. Four of these building systems are randomly selected from a population of 50 systems for scrutiny. What is the probability that 3 of the 4 buildings experience an AC defect? Note that each trial is dependent on the results of the previous trial, as the number of defective ACs (and hence, the probability of having a defective AC system) changes with each trial until the fourth building is examined.
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