2. The number of phishing e-mails received by an individual is modeled using a Poisson process with rate 35 per week. (a
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2. The number of phishing e-mails received by an individual is modeled using a Poisson process with rate 35 per week. (a
2. The number of phishing e-mails received by an individual is modeled using a Poisson process with rate 35 per week. (a) What is distribution number of phishing e-mails in a day? [3] (b) What is the probability that a user receives no phishing e-mails in a day? [3] (c) What is the probability that a user receives at least one phishing e-mail in a day? 1- [2] (d) A user received a phishing e-mail at 9am on Monday. (i) What is the distribution of the time until they receive their next phishing e-mail? [2] (ii) How long will it be until they expect to receive their next phishing e-mail? [2] (iii) What is the distributon of the time until they receive five more phishing e-mails? [4]
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