Suppose that the average number of cars abandoned weekly on a certain highway is $2.2 .$ Approximate the probability that there will be (a) no abandoned cars in the next week; (b) at least 2 abandoned cars in the next week.
Added by Mary W.
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Sri K.
'2. On certain highway: there are, on average. 2.2 cars abandoned every week Assuming Poisson distribution; compule the probability that (a) there will be no cars abandoned next week; (6) at least 2 abandoned cars in the next week; (c) there will be at least 5 cars abandoned next month;'
Madhur L.
A survey showed that the average commuter spends about 26 minutes on a one-way door-to-door trip from home to work. In addition, 5$\%$ of commuters reported a one-way commute of more than one hour (Bureau of Transportation Statistics website, January $12,2004$ ). a. If 20 commuters are surveyed on a particular day, what is the probability that three will report a one-way commute of more than one hour? b. If 20 commuters are surveyed on a particular day, what is the probability that none will report a one-way commute of more than one hour? c. If a company has 2000 employees, what is the expected number of employees that have a one-way commute of more than one hour? d. If a company has 2000 employees, what are the variance and standard deviation of the number of employees that have a one-way commute of more than one hour?
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