Find the indicated probability.
-The table below describes the smoking habits of a group of asthma sufferers. $\begin{array}{r|ccccc}
& \text { Occasional } & \begin{array}{c}
\text { Regular } \
\text { smoker }
\end{array} & \begin{array}{c}
\text { Heavy } \
\text { smoker }
\end{array} & \text { smoker } & \text { Total } \
\hline \text { Men } & 380 & 48 & 63 & 42 & 533 \
\text { Women } & 360 & 34 & 90 & 47 & 531 \
\text { Total } & 740 & 82 & 153 & 89 & 1064
\end{array}$ If one of the 1064 people is randomly selected, find the probability that the person is a man or a heavy smoker.
A) 0.545
B) 0.506
C) 0.585
D) 0.472

Question

Find the indicated probability.
-The table below describes the smoking habits of a group of asthma sufferers. $\begin{array}{r|ccccc} 
& \text { Occasional } & \begin{array}{c}
\text { Regular } \
\text { smoker }
\end{array} & \begin{array}{c}
\text { Heavy } \
\text { smoker }
\end{array} & \text { smoker } & \text { Total } \
\hline \text { Men } & 380 & 48 & 63 & 42 & 533 \
\text { Women } & 360 & 34 & 90 & 47 & 531 \
\text { Total } & 740 & 82 & 153 & 89 & 1064
\end{array}$ If one of the 1064 people is randomly selected, find the probability that the person is a man or a heavy smoker.
A) 0.545
B) 0.506
C) 0.585
D) 0.472

Quizplus · Accepted Answer

The probability that the person is a man is 533/1064 = 0.501. The probability that the person is a heavy smoker is 153/1064 = 0.144. The probability that the person is a man or a heavy smoker is 0.501 + 0.144 - 0.003 = 0.545.

Find the Indicated Probability If One of the 1064 People Is Randomly Selected, Find