Arrival of emails is approximated by poisson distribution

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Q1) Internal study by Technology Services department at Lahey Electronics disclosed company employees get the average of 2 emails per hour. Suppose arrival of these emails is approximated by Poisson distribution.

a) Determine the probability Linda Lahey, company president, got exactly 1 email between 4 P.M. and 5 P.M. yesterday?  

b) Determine the probability she received 5 or more email during the same period?

c) Determine the probability she didn't get any email during period?

Reference no: EM1313721

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