A Population Has a Mean of 400 and a Standard

question 40

Multiple Choice

A population has a mean of 400 and a standard deviation of 25. A sample of 100 observations will be taken. The probability that the sample mean will be greater than 405 is

• A) .9772.
• B) .0228.
• C) .4207.
• D) .3805.

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Definitions:

Ignorant and Free

A notion often debunked that suggests freedom can exist alongside a lack of knowledge or education; most argue that true freedom requires informed citizens.

Thomas Jefferson

An American Founding Father, the principal author of the Declaration of Independence, and the third President of the United States, known for his contributions to the early development of the U.S.

Virtue

is a trait or quality deemed to be morally good and thus is valued as a foundation of good moral being.