Given That Z Is a Standard Normal Random Variable, What

question 97

Multiple Choice

Given that z is a standard normal random variable, what is the value of z if the area between -z and z is 0.7243?

• A) 3.09
• B) 2.09
• C) 0.09
• D) 1.09

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Definitions:

Testable Hypothesis

A statement about the world that can be verified or discredited through empirical observation or experimentation.

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations made to the independent variable.

Dependent Variable

In scientific research, the variable that is being tested and measured; it is expected to change as a result of variations in the independent variable.

Independent Variable

The variable that is changed or controlled in a scientific experiment to test the effects on the dependent variable.