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anonymous
 5 years ago
The length of time between customers (in minutes) at a certain register follows an exponential distribution with parameter 1/5. A cusomer just finished at the register. Let X=the amount of time until the next customer arrives at the register.
I believe the density function of X is: f(x)= (1/5)e^((1/5)x) for x >=0 and the distribution function F(x)=1e^((1/5)x) for x >=0  How do I figure out the average time between customers?
anonymous
 5 years ago
The length of time between customers (in minutes) at a certain register follows an exponential distribution with parameter 1/5. A cusomer just finished at the register. Let X=the amount of time until the next customer arrives at the register. I believe the density function of X is: f(x)= (1/5)e^((1/5)x) for x >=0 and the distribution function F(x)=1e^((1/5)x) for x >=0  How do I figure out the average time between customers?

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