How many cars show up? For Monday through Thursday when there isn’t a holiday, the average number of vehicles that visit a particular retailer between 2pm and 3pm each afternoon is 6.5, and the number of cars that show up on any given day follows a Poisson distribution.
(a) What is the probability that exactly 5 cars will show up next Monday?
(b) What is the probability that 0, 1, or 2 cars will show up next Monday between 2pm and 3pm?
(c) There is an average of 11.7 people who visit during those same hours from vehicles. Is it likely that the number of people visiting by car during this hour is also Poisson? Explain.
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