SOLUTION: Calls arrive at a petrol station at the rate of 7 cars per minute. What is the probability that the petrol station receives at most 3 cars minute

SOLUTION: Calls arrive at a petrol station at the rate of 7 cars per minute. What is the probability that the petrol station receives at most 3 cars minute

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Question 783342: Calls arrive at a petrol station at the rate of 7 cars per minute. What is the probability that the petrol station receives at most 3 cars minute
Answer by oscargut(2103) (Show Source): You can put this solution on YOUR website!
Let X a Poisson random variable with mean 7
P(X<=3)= 0.082
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