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?