A Population, with an Unknown Distribution, Has a Mean of 80

question 16

Multiple Choice

A population, with an unknown distribution, has a mean of 80 and a standard deviation of 7. For a sample of 49, the probability that the sample mean will be larger than 82 is:

• A) 0.5228
• B) 0.9772
• C) 0.4772
• D) 0.0228

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Definitions:

Analysis

The process of breaking down complex information or problems into smaller, more manageable parts to better understand or solve them.

Application

The act of putting something into operation or use, often referring to software programs but can also pertain to concepts, ideas, or theories.

Experience

The knowledge or skill acquired by a person through direct involvement in or exposure to events or activities over a period of time.

Cognitive Behavior Therapy

A psychotherapeutic treatment aimed at changing patterns of thinking or behavior that are behind people's difficulties, and so changing the way they feel.