Customers Arrive According to a Poisson Distribution

question 54

Multiple Choice

Customers arrive according to a Poisson distribution.The average number of customer arrivals per hour is two.The probability that five customers will arrive in the next three hours is:

• A)less than or equal to 0.10.
• B)greater than 0.10 but less than or equal to 0.12.
• C)greater than 0.12 but less than or equal to 0.14.
• D)greater than 0.14.

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