Find the probability that a call takes

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Reference no: EM13905505

Nite Time Inn has a toll-free telephone number so that customers can call at any time to make a reservation. A typical call takes about 4 minutes to complete, and the time required follows and exponential distribution. Find the probability that a call takes:

A) 3 minutes or less

B) 4 minutes or less

C) 5 minutes or less

D) Longer than 5 minutes

Reference no: EM13905505

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