Customers arrive at a grocery store at an average of 2.2 per minute. Assume that the...

Customers arrive at a grocery store at an average of 2.2 per minute. Assume that the number of arrivals in a minute follows the Poisson distribution. Provide answers to the following to 3 decimal places.

Part a)

What is the probability that exactly two customers arrive in a minute?

Part b)

Find the probability that more than three customers arrive in a two-minute period.

Part c)

What is the probability that at least seven customers arrive in three minutes, given that exactly two arrive in the first minute?

Solutions

Expert Solution

orchestra answered 1 year ago

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