A Population Has a Mean of 80 and a Standard

question 118

Multiple Choice

A population has a mean of 80 and a standard deviation of 7. A sample of 49 observations will be taken. 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:

Performance Improvement

Efforts or strategies aimed at increasing the effectiveness, efficiency, or output of an organization or individual.

Giving Advice

The act of offering recommendations or guidance to someone else based on knowledge, experience, or expertise.

Goal Theory

A framework that emphasizes the importance of setting, pursuing, and achieving goals as a primary source of motivation and performance improvement.

Sales Revenue

The income generated from the sale of goods or services before any costs or expenses are deducted.