Which of the following random variables would have an exponential distribution?

Question

Which of the following random variables would have an exponential distribution? The number of burglaries that occur in 1 day in St. Louis The number of hours between burglaries in St. Louis The number of stolen items out of 100 reported which were recovered. The number of people interviewed until you find a witness. The height of a suspect. More than one of these describes an exponentially distributed random variable. It takes the average mechanic 10 minutes to change the oil in 2 cars. If the time it takes a mechanic to change the oil in a car is exponentially distributed. what is the value of mu? 20 car minutes 2 cars 5 minutes per car 10 minutes 1/5 car per minute The time between unplanne shutdowns of a power plant has an exponential distribution with a mean of 60 days Find the probability that the time between two unplanned shutdowns is be

Explanation / Answer

2.The mean of the exponential distribution is 10/2=5

1.The number of hours between burglaries in St. Luious is exponentially distribted.

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