Answer to Question #350961 in Statistics and Probability for sergu

Question #350961

4. Number of calls coming to customer care of mobile company per minute is a poisson random variable with mean 5. Find the probability that no calls are in certain minute.

1
Expert's answer
2022-06-16T10:23:14-0400

Let "X=" number of calls coming to customer care of mobile company per minute: "X\\sim Po(\\lambda t)."

Given "\\lambda t=5."


"P(X=0)=\\dfrac{e^{-5}(5)^0}{0!}=e^{-5}\\approx0.006738"


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