# Question

Assume a Poisson random variable has a mean of 6 successes over a 120-minute period.

a. Find the mean of the random variable, defined by the time between successes.

b. What is the rate parameter of the appropriate exponential distribution?

c. Find the probability that the time to success will be more than 60 minutes.

a. Find the mean of the random variable, defined by the time between successes.

b. What is the rate parameter of the appropriate exponential distribution?

c. Find the probability that the time to success will be more than 60 minutes.

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