Determine If the Outcome Is Unusual $\mu - 2 \sigma$ Or Greater Than

question 127

Multiple Choice

Determine if the outcome is unusual. Consider as unusual any result that differs from the mean by more than 2 standard deviations. That is, unusual values are either less than $\mu - 2 \sigma$ or greater than $\mu + 2 \sigma$ .
-The Acme Candy Company claims that 60% of the jawbreakers it produces weigh more than .4 ounces. Suppose that 800 jawbreakers are selected at random from the production lines. Would it be unusual for this sample of 800 to contain 418 jawbreakers that weigh more than .4 ounces?

• A)Yes
• B)No

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Definitions:

Peer Influence

The effect that the attitudes, values, and behaviors of peers have on an individual's own attitudes, values, and behaviors, playing a crucial role in personal development and decision-making.

Reactance Theory

A psychological principle suggesting that people have an aversive reaction to restrictions on their personal freedoms, leading them to resist or do the opposite.

Social Learning Theory

A theory of learning and social behavior which proposes that new behaviors can be acquired by observing and imitating others.

Cognitive Dissonance Theory

A theory proposing that people have a motivational drive to reduce dissonance by changing their attitudes, beliefs, or behaviors, or by rationalizing or justifying them.