The probability you need to wait at least two minutes

Reference no: EM131167109

Suppose that the times between arrivals at a bank during the peak period of the day are exponentially distributed with a mean of 45 seconds.

If you just observed an arrival, what is the probability that you will need to wait for more than a minute before observing the next arrival?

What is the probability you will need to wait at least two minutes?

Reference no: EM131167109

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