Compute Probabilities of a Poisson Random Variable

question 137

Multiple Choice

Compute Probabilities of a Poisson Random Variable
-A help desk receives an average of four calls per hour on its toll-free number. For any given hour, find the probability that it will receive exactly seven calls. Use the Poisson distribution.

• A) 0.0596
• B) 0.0030
• C) 522.0448
• D) 0.0087

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