The Table Below Describes the Smoking Habits of a Group

question 30

Multiple Choice

The table below describes the smoking habits of a group of asthma sufferers. $$\begin{array} { r | c c c c c } & \text { Nonsmoker } & \begin{array} { c } \text { Occasional } \\\text { Smoker }\end{array} & \begin{array} { c } \text { Regular } \\\text { Smoker }\end{array} & \begin{array} { c } \text { Heavy } \\\text { Smoker }\end{array} & \text { Total } \\\hline \text { Men } & 431 & 50 & 71 & 49 & 601 \\\text { Women } & 382 & 48 & 86 & 39 & 555 \\\text { Total } & 813 & 98 & 157 & 88 & 1156\end{array}$$ If one of the 1156 people is randomly selected, find the probability that the person is a man or a heavy smoker.

• A)0.511
• B)0.554
• C)0.596
• D)0.557

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Definitions:

Axon

The neuron’s extension that passes messages through its branching terminal fibers that form junctions with other neurons, muscles, or glands.

Neuron

A nerve cell; the basic building block of the nervous system.

Cell Body

The part of a neuron that contains the nucleus and most of the cell's metabolic machinery, playing a crucial role in the cell's function.

Dendrites

Tree-like extensions of a neuron that receive signals from other neurons.