A Population with a Mean of 1,250 and a Standard

question 31

Multiple Choice

A population with a mean of 1,250 and a standard deviation of 400 is known to be highly skewed to the right. If a random sample of 64 items is selected from the population, what is the probability that the sample mean will be less than 1,325?

• A) 0.8981
• B) 0.8141
• C) 0.7141
• D) 0.9332

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Definitions:

Extraversion

A personality trait characterized by outgoing, sociable, and energetic behavior.

Self-Esteem

An individual's overall subjective emotional evaluation of their own worth or personal value.

Narcissism

A personality trait involving excessive preoccupation with oneself, a need for admiration, and a lack of empathy for others.

Self-Efficacy

The assurance a person holds in their skill to enact behaviors aimed at realizing specific goals.