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# The time between the first and second heart attacks for a

ISBN: 9780131453401 223

## Solution for problem 4 Chapter 7.3

Fundamentals of Probability, with Stochastic Processes | 3rd Edition

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Problem 4

The time between the first and second heart attacks for a certain group of people is an exponential random variable. If 50% of those who have had a heart attack will have another one within the next five years, what is the probability that a person who had one heart attack five years ago will not have another one in the next five years?

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STAT 110: Notes for Week of 9/13/16  Chapter 10 o In order to describe data, you must figure out if it is quantitative or categorical. o Quantitative Variable: a variable that measures something already in numerical form, ex. inches of a piece of paper, weight of a person, IQ, etc. o Categorical Variable: measures something that needs to...

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