For Some Value of Z, the Probability That a Standard

question 32

Multiple Choice

For some value of z, the probability that a standard normal variable is below z is 0.2090. What is the value of that z?

• A) -0.81
• B) -0.31
• C) 0.31
• D) 1.96

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Definitions:

Reference Point

A basis or standard for evaluation, assessment, or comparison; a criterion.

Communication

The transfer of information, ideas, emotions, or instructions between individuals or groups using verbal, non-verbal, or written mediums.

Physical Space

The tangible, real-world environment and area around individuals, which can affect behavior and interactions.

People

Human beings, either individually or collectively, considered within a social or cultural context.