The Table Below Provides Summary Information About Students in a Class

question 63

Multiple Choice

The table below provides summary information about students in a class. The sex of each individual and their age range is given. A student is randomly selected from this group, and it is found that the student is older than 25 years. What is the probability that the student is a male?

• A) 0.21
• B) 0.10
• C) 0.50
• D) 0.54
• E) 0.26

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Definitions:

Standard Deviation

A statistic that measures the dispersion or variation of a set of values from their mean.

Average

A statistical measure representing the central or typical value in a set of data, calculated by dividing the sum of all values by the number of values.

Bayesian Statistics

A statistical method that applies probability to statistical problems, involving prior knowledge as well as current evidence.

Prior Knowledge

Refers to the information and understanding a person already has before learning new information.