If X Is a Normal Random Variable with a Standard

question 73

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:

United Nations

An international organization founded in 1945, aimed at promoting world peace, security, and cooperation among nations.

Nutrition

The process by which living organisms obtain and process the food necessary for maintaining life and health, focusing on the essential nutrients needed for growth, repair, and maintenance of the body.

Oil Pipeline

A system of pipes used to transport crude oil or petroleum products over long distances.

Contamination

The presence of unwanted substances or impurities in a material, environment, or biological system, often leading to harm or decreased quality.