The number of messages sent to a computer bulletin board is a Poisson random variable with a mean of 5 messages per hour. What is the probability that less than two messages are received in one-half hour? Select one: O a. 0.2873 О Б.0.1 O c.0.1873 O d. 0.341

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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The number of messages sent to a computer bulletin board is a Poisson random
variable with a mean of 5 messages per hour. What is the probability that less
than two messages are received in one-half hour?
Select one:
a. 0.2873
O b. 0.1
O c. 0.1873
O d. 0.341
Transcribed Image Text:The number of messages sent to a computer bulletin board is a Poisson random variable with a mean of 5 messages per hour. What is the probability that less than two messages are received in one-half hour? Select one: a. 0.2873 O b. 0.1 O c. 0.1873 O d. 0.341
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