kchambers578 kchambers578

09-06-2017
Mathematics

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The time between arrivals of customers at an automatic tellermachine is an exponential random variable with a mean of 5minutes.a) what is the probability that more than threecustomers arrive in 10 minutes?b) what is the probability that the time until the 5thcustomer arrives is less then 15 minutes?

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RickyChen RickyChen

23-06-2017

Please clarify if it is a normal distributive function problem, then I will get it back.

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