Question: The number of messages sent to a computer bulletin

The number of messages sent to a computer bulletin board is a Poisson random variable with a mean of 5 messages per hour.
(a) What is the probability that 5 messages are received in 1 hour?
(b) What is the probability that 10 messages are received in 1.5 hours?
(c) What is the probability that less than two messages are received in one-half hour?
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  • CreatedNovember 14, 2009
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