The time between arrivals of customers at the drive-up window of a bank follows an exponential probability distribution with a mean of 10 minutes.
a.What is the probability that the arrival time between customers will be 7 minutes or less?b.What is the probability that the arrival time between customers will be between 3 and 7 minutes?
What will be an ideal response?
| a. | 0.5034 |
| b. | 0.2442 |
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