1 A company employees receive an average of four nonwork rel

1. A company employees receive an average of four non-work related emails per hour. Assume the Poisson distribution approximates the arrival of these emails.

a. What is the probability that the president of the company received exactly two non-­work-­related email between 8am and 9am yesterday?

b. What is the probability that she received two or more non-­work-­related emails between 8am and 9am yesterday?

c. What is the probability that she did not receive any non-­work-­related email between 8am and 9am yesterday?

Solution