Find the Value of a Normal Random Variable

question 47

Short Answer

Find the Value of a Normal Random Variable
-The board of examiners that administers the real estate broker s examination in a certain state found that the mean score on the test was 451 and the standard deviation was 72. If the board wants to set the passing score so that only the best 80% of all applicants pass, what is the passing score Assume that the scores are normally distributed.

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Definitions:

LSD

A powerful hallucinogenic drug; also known as acid (lysergic acid diethylamide).

Ecstasy

A state of intense joy or delight, often used to describe a heightened sense of well-being; also a common name for MDMA, a psychoactive drug.

Dehydration

A condition resulting from the excessive loss of body water, affecting bodily functions.

Cigarette Smoking

The act of inhaling and exhaling the smoke produced by burning tobacco in cigarettes, which is known to have harmful health effects.