Question

A grocery store counts the number of customers who arrive during
an hour. The average over a year is 20 customers per hour. Assume
the arrival of customers follows a Poisson distribution. (It
usually does.)

Find the probability that at least one customer arrives in a
particular one minute period. Round your answer to 3
decimals.

Find the probability that at least two customers arrive in a
particular 4 minute period. Round your answer to four decimals.

Answer #1

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