Question 4. Emails Received. According to a 2017 survey conducted by the tech market research firm The Radicati Group, U.S. office workers rece average of 121 emails per day (Entrepreneur magazine website). Assu number of emails received per hour follows a Poisson distribution and average number of emails received per hour is five. a. What is the probability of receiving no emails during an hour? b. What is the probability of receiving at least three emails during an C. What is the expected number of emails received during 15 minute d. What is the probability that no emails are received during 15 minu

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