The Average Time Between Phone Calls Arriving at a Call

question 74

Multiple Choice

The average time between phone calls arriving at a call center is 30 seconds.Assuming that the time between calls is exponentially distributed, find the probability that more than a minute elapses between calls.

• A)0.135
• B)0.368
• C)0.865
• D)0.607
• E)0.709

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