The number of content changes to a Web site follows a Poisson distribution with a mean
Chapter 3, Problem 3-141(choose chapter or problem)
The number of content changes to a Web site follows a Poisson distribution with a mean of 0.25 per day. (a) What is the probability of two or more changes in a day? (b) What is the probability of no content changes in five days? (c) What is the probability of two or fewer changes in five days?
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