AI Tutor
Back to 7.3 Using the Central Limit Theorem

7.3 Exercise 24

Avg difficulty 2.5


Use the following information to answer the next five exercises: The length of time a particular smartphone's battery lasts follows an exponential distribution with a mean of ten months. A sample of 64 of these smartphones is taken.

  1. What is the standard deviation?
  2. What is the parameter m?

OpenStax Statistics, 7.3 Using the Central Limit Theorem, exercise 24

AI Tutor

Adapted from Statistics © 2022 Rice University. Licensed under CC BY 4.0. Source: Statistics. Imported at revision 7dea80a.