# Assume that the average talk time on an Apple iPhone is 20 hours and that this time

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## Question:

Assume that the average talk time on an Apple iPhone is 20 hours and that this time follows the exponential probability distribution. What is the probability that a randomly selected iPhone will experience more than 23 hours of talk time?

**Related Book For**

## Essentials Of Statistics For Business And Economics

ISBN: 9781305081598

7th Edition

Authors: David Anderson, Thomas Williams, Dennis Sweeney, Jeffrey Cam