If a Random Variable Is Drawn from a Normal Distribution

question 60

Multiple Choice

If a random variable is drawn from a normal distribution, what is the probability that the random variable is larger than 1.96 standard deviations larger than the mean?

• A) 1.25%
• B) 2.50%
• C) 3.75%
• D) 5.00%

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Definitions:

Aerobic Work-Out

Exercise that involves or improves oxygen consumption by the body, promoting cardiovascular health.

Operational Definition

A clear, precise criteria for measuring a variable or concept within an experiment, ensuring that the variable is quantifiable and the experiment replicable.

Empirically Tested

Evaluated or tested based on observations or experience rather than theory or pure logic.

Experimental Method

A scientific approach to research in which an investigator manipulates one or more variables to determine their effect on a certain outcome.