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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 鈥淛apanese American OR smokes21to30 cigarettes per day.鈥� Also, find the probability.

Short Answer

Expert verified

The probability of one person from the study who is 鈥淛apanese American OR smokes 21to30 cigarettes per day.鈥� is0.365

Step by step solution

01

Content Introduction

The contingency table shown below is

02

Content Explanation

To select one person who is 鈥淛apanese American OR smokes 21to30cigarettes per day.鈥� 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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