The data in the following table show the results of a national study of 137,243 U.S men that investigated the association between cigar smoking and the death from Cancer.NOTE : Current cigar smoker " means cigar smoker at time of deatha) What is the probability that a randomly selected individual from the study was a former cigar smoker given that he died from cancer?b) Find the probability that a randomly selected individual did not die from cancer or never smoked cigars.c) Are the events "Never smoked cigars" and "Did not die from cancer" mutually exclusive? Did Not Diefrom CancerDied from CancerNever smoked cigars782120,747Former cigar smoker917,757Current cigar smoker1417,725Source: Shapiro, Jacobs, and Thun. "Cigar Smoking in Men and Risk of Deathfrom Tobacco-Related Cancers," Journal of the National Cancer Institute,February 16, 2000

The number of individuals that dies from cancer is, Number = 782+91+141 =1014 The…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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The data in the following table show the results of a national study of 137,243 U.S men that investigated the association between cigar smoking and the death from Cancer.

NOTE : Current cigar smoker " means cigar smoker at time of death

a) What is the probability that a randomly selected individual from the study was a former cigar smoker given that he died from cancer?
b) Find the probability that a randomly selected individual did not die from cancer or never smoked cigars.

c) Are the events "Never smoked cigars" and "Did not die from cancer" mutually exclusive?

Did Not Die
from Cancer
Died from Cancer
Never smoked cigars
782
120,747
Former cigar smoker
91
7,757
Current cigar smoker
141
7,725
Source: Shapiro, Jacobs, and Thun. "Cigar Smoking in Men and Risk of Death
from Tobacco-Related Cancers," Journal of the National Cancer Institute,
February 16, 2000

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