Introductory Statistics

1st Edition

ISBN: 9781938168208

Author: Barbara Illowsky, Susan Dean

Publisher: OpenStax College

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Textbook Question

Chapter 5, Problem 90H

The cost of all maintenance for a car during fts first year Is approximately exponentially distributed with a mean of

SI 50.

a. Define the random variable. X ________________________________

b. X ∼ = _____

C. μ =________ .

d. σ = ______

e. Draw a graph of the probability distribution. Label the axes.

f. Find the probability that a car required over $300 for maintenance during its first year.

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Chapter 5, Problem 89H

Chapter 5, Problem 91H

Chapter 5 Solutions

Introductory Statistics

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