Question: An engineer is participating in a research project on the title patterns of junk emails. The number of junk emails which arrive in an

An engineer is participating in a research project on the title patterns

An engineer is participating in a research project on the title patterns of junk emails. The number of junk emails which arrive in an individual's account every hour follows a Poisson distribution with a mean of 2.3. (a) What is the expected number of junk emails that an individual receives in an 8-hour day? (b) What is the probability that an individual receives less than 5 junk emails for the next ten hours? (c) What is the probability that an individual receives no junk email for six hours?

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