Question 266375: Use the Poisson Distribution to find the indicated probability.
The number of calls received by a car towing service averages 19.2 per day (per 24-hour period). After finding the mean number of calls per hour, find the probability that in a randomly selected hour the number of calls is 2.
a. 0.15816
b. 0.14379
c. 0.11503
d. 0.17973
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Use the Poisson Distribution to find the indicated probability.
The number of calls received by a car towing service averages 19.2 per day (per 24-hour period). After finding the mean number of calls per hour, find the probability that in a randomly selected hour the number of calls is 2.
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I used the poissonpdf((19.2/24),2) function on a TI-84 and
got 0.14379
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Cheers,
Stan H.
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a. 0.15816
b. 0.14379
c. 0.11503
d. 0.17973
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