Use the Addition Rule or Multiplication Rule for Probability

question 25

Multiple Choice

Use the addition rule or multiplication rule for probability.
-A recent survey of local cell phone retailers showed that of all cell phones sold last
Month, 64% had a camera, 28% had a music player and 22% had both. The probability
That a cell phone sold last month did not have either a camera or a music player is

• A) .22
• B) .70
• C) .92
• D) .30
• E) .08

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Definitions:

Group Attribution Error

The tendency to erroneously attribute the behavior or attitudes of individuals within a group to the group as a whole.

Prototype

An original model on which something is patterned or an early, typical example of a concept or category.

Stereotype Content Model

A theory positing that stereotypes are based on the dimensions of warmth and competence which humans universally apply to social groups.

Judged Competence

The perception of an individual's skills, abilities, and performance by others, often influenced by various biases and subjective assessments.