Use the Addition Rule or Multiplication Rule for Probability

question 24

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 had a camera or a music player is

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

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Definitions:

Normal

Conforming to a standard; usual, typical, or expected under specific conditions or circumstances.

High-context

A communication style where much of the information is understood through context, non-verbal cues, and between-the-lines reading, rather than stated explicit content.

Inferred

Concluded or derived as a judgment based on evidence or reasoning rather than being stated explicitly.

Corporate

Pertaining to corporations, typically referring to business entities or their activities, culture, and structures.