Requests for a chat with a customer service representative on MaxTrend.com's website conform roughly to the Poisson conditions.The average number of requests is six per hour.Compute the probability of no more than one request during the next hour and a half.
A).0012
B).0200
C).0317
D).1017
E).0120

Question

Quizplus · Accepted Answer

The probability of no more than one request during the next hour and a half is given by the Poisson distribution with mean 6 * 1.5 = 9.P(X <= 1) = e^-9 * (9^0/0!) + e^-9 * (9^1/1!) = 0.0012

Requests for a Chat with a Customer Service Representative on MaxTrend.com's