If X Is a Normal Random Variable with a Standard

question 67

Multiple Choice

If X is a normal random variable with a standard deviation of 10,then 3X has a standard deviation equal to

• A)10.
• B)13.
• C)30.
• D)90.

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Definitions:

Experimenter

An individual who conducts experiments to test hypotheses or explore new knowledge within scientific studies.

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The tendency for individuals to perform differently, often better, when in the presence of others than when alone.

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A tool used to hit the golf ball in the game of golf, consisting of a long shaft with a grip on one end and a weighted head on the other.

Golf Outfit

Specific clothing and attire designed for playing golf, often including a polo shirt, trousers, and golf shoes.