Customers arrive at a local ATM at an average rate of 15 per hour. Assume the time

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Customers arrive at a local ATM at an average rate of 15 per hour. Assume the time between arrivals follows the exponential probability distribution.

a. What is the probability that the next customer will arrive

1. within the next 3 minutes?

2. in more than 7 minutes?

3. between 4 and 8 minutes?

b. Confirm the answers to part a using Excel.

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Business Statistics

ISBN: 9780321925121

2nd Edition

Authors: Robert A. Donnelly

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Question Posted: Jul 17, 2015 03:13 AM

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Customers arrive at a local ATM at an average rate of 15 per hour. Assume the time

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