During lunch hour, customers arrive at a fast-food drive-through window, on average, every 2.5 minutes. Assume arrival
Question:
During lunch hour, customers arrive at a fast-food drive-through window, on average, every 2.5 minutes.
Assume arrival time follows the exponential probability distribution.
a. What is the probability that the next customer will arrive 1. within the next 2 minutes?
2. in more than 5 minutes?
3. between 1 and 4 minutes?
b. Confirm the answers to part a using Excel.
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