# Question

Write the Excel formula for each Poisson probability, using a mean arrival rate of 10 arrivals per hour.

a. Seven arrivals.

b. Three arrivals.

c. Fewer than five arrivals.

d. At least 11 arrivals.

a. Seven arrivals.

b. Three arrivals.

c. Fewer than five arrivals.

d. At least 11 arrivals.

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