The Cross-Tabulation Table Below Shows Partial Results from a Study

question 37

Multiple Choice

The cross-tabulation table below shows partial results from a study done at the Mt.Bachelor ski area.Patrons were asked whether they preferred snowboarding or skiing.If a person is randomly selected from the study and the person selected prefers snowboarding, how likely is it that the person selected is 25 to 40 years old?

• A).420
• B).311
• C).566
• D).332
• E).664

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Definitions:

Z

In statistics, \(Z\) often represents the z-score, a measure of how many standard deviations an element is from the mean.

Simplify

Reduction of expressions or equations to their simplest form by performing available operations.

Expression

A combination of numbers, variables, and operations that together represent a particular value.

Positive Exponents

Represent numbers multiplied by themselves a certain amount of times, indicating a base raised to the power of a positive number.