Find probability that next call will arrive within half hour

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Reference no: EM131467802

Question: The dispatcher at a central fire station has observed that the time between calls is an exponential random variable with a mean of 32 minutes.

(a) A call has just arrived. What is the probability that the next call will arrive within the next half hour.

(b) What is the probability that there will be exactly two calls during the next hour?

Reference no: EM131467802

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