Use Bayes' Theorem to Find the Indicated Probability One of the 100 Test Subjects Is Selected at Random

question 25

Multiple Choice

Use Bayes' theorem to find the indicated probability.
-Use the results summarized in the table. $$\begin{array} { l | c c } & \text { Approve of mayor } & \text { Do not approve of mayor } \\\hline \text { Republican } & 15 & 13 \\\text { Democrat } & 20 & 17 \\\text { Independent } & 12 & 23\end{array}$$
One of the 100 test subjects is selected at random. Given that the person selected approves of the mayor, what is the probability that they vote Democrat?

• A) 0.313
• B) 0.578
• C) 0.426
• D) 0.541

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Definitions:

Dissatisfiers

Factors which, when present, can cause dissatisfaction among employees or consumers, but whose absence does not necessarily lead to satisfaction.

Frederick Herzberg

A psychologist best known for developing the Motivation-Hygiene Theory, which differentiated between motivators that increase job satisfaction and hygiene factors that, if absent, can cause dissatisfaction.

Satisfiers

Factors that contribute to job satisfaction and motivate employees, influenced by aspects of work that enhance positive feelings.

Job Content

The specific duties, responsibilities, and functions of a job, which define its scope and nature.