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A grocery store counts the number of customers who arrive during an hour. The average...

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Basic Math

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A grocery store counts the number of customers who arrive during an hour. The average over a year is 28 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 2 minute period. Round your answer to four decimals.

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