Question

In words, explain what it means to pick one person from the study who is “Japanese American AND smokes $21to30$ cigarettes per day.” Also, find the probability.

Short answer

The probability of Japanese American AND smokes $21to30$cigarettes per day is $0.047$

Step-by-step solution

Content Introduction

A contingency table shown here is

Content Explanation

To select one person from table who is “Japanese American AND smokes $21to30$cigarettes per day.” means that selected person should the criteria of being Japanese's American and smokes.

$$\begin{gathered} P(JapaneseAmericanANDsmokescigarettesperday)=\frac{4715}{100450} \\ P(JapaneseAmericanANDsmokescigarettesperday)=0.047 \end{gathered}$$