Use the General Addition Rule
-The Table Lists the Drinking

question 142

Multiple Choice

Use the General Addition Rule
-The table lists the drinking habits of a group of college students. If a student is chosen at random, find the probability of getting someone who is a woman or a heavy drinker. Round your answer to three decimal places.
$\begin{array}{l|c|c|c|c}\text { Sex } & \text { Non-drinker } & \text { Regular Drinker } & \text { Heavy Drinker } & \text { Total } \\\hline \text { Man } & 135 & 52 & 5 & 192 \\\text { Woman } & 187 & 21 & 13 & 221 \\\text { Total } & 322 & 73 & 18 & 413\end{array}$

• A) \(0.547\)
• B) \(0.918\)
• C) \(0.823\)
• D) \(0.157\)

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Definitions:

Null Hypotheses

A hypothesis that suggests no significant difference or effect, typically representing a default or initial assumption for statistical testing.

Alternative Hypotheses

The hypothesis that suggests there is a statistically significant difference between two or more sets of data, contrasted against the null hypothesis.

Significance Level

In hypothesis testing, it represents the probability of rejecting the null hypothesis when it is actually true, typically set before the data analysis.

Hypotheses

Assumptions or predictions that a study sets out to test within its given framework.