Introduction to Probability and Statistics
Introduction to Probability and Statistics
14th Edition
ISBN: 9781133103752
Author: Mendenhall, William
Publisher: Cengage Learning
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Chapter 5, Problem 5.91SE

Earthquakes! Suppose that one out of every 10 homeowners in the state of California has invested in earthquake insurance. If 15 homeowners are randomly chosen to be interviewed.

a. What is the prohability that at least one had earthquake insurance?

b. What is the probability that tour or more have earthquake insurance?

c. Within what limits would you expect the number of homeowners insured against earthquakes to fall?

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