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Chapter 3: Q.63 (page 219)

In words, explain what it means to pick one person from the study who is “Japanese American OR smokes21to30 cigarettes per day.” Also, find the probability.

Short Answer

Expert verified

The probability of one person from the study who is “Japanese American OR smokes 21to30 cigarettes per day.” is0.365

Step by step solution

01

Content Introduction

The contingency table shown below is

02

Content Explanation

To select one person who is “Japanese American OR smokes 21to30cigarettes per day.” means that the one criteria should be met.

P(JapaneseAmericanORsmokescigarettesperday)=P(JapaneseAmerican)+P(smokes21to30cigarettes)-P(JapaneseAmericanANDsmokescigarettesperdayP(JapaneseAmericanORsmokescigarettesperday)=26078100450+15273100450-4715100450P(JapaneseAmericanORsmokescigarettesperday)=36636100450P(JapaneseAmericanORsmokescigarettesperday)=0.365

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