Find the Indicated Probability If One of the 997 People Is Randomly Selected, Find

question 178

Multiple Choice

Find the indicated probability.
-The table below describes the smoking habits of a group of asthma sufferers. $$\begin{array} { r | c c c c r } & \text { Nonsmoker } & \begin{array} { c } \text { Occasional } \\\text { smoker }\end{array} & \begin{array} { c } \text { Regular } \\\text { smoker }\end{array} & \begin{array} { c } \text { Heavy } \\\text { smoker }\end{array} & \text { Total } \\\hline \text { Men } & 334 & 50 & 68 & 32 & 484 \\\text { Women } & 357 & 30 & 89 & 37 & 513 \\\text { Total } & 691 & 80 & 157 & 69 & 997\end{array}$$ If one of the 997 people is randomly selected, find the probability of getting a regular or heavy smoker.

• A) 0.157
• B) 0.442
• C) 0.227
• D) 0.100

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Definitions:

Chromosomes

Structures within cells that contain DNA and carry genetic information essential for cell division, development, and functioning of an organism.

Genes

Units of heredity made up of DNA that encode the instructions for building and maintaining an organism.

Heredity

The transmission of physical or mental characteristics from one generation to the next through genetics.

Behavior Genetics

The study of how genetic and environmental factors influence individual differences in behavior.