Estimate the Indicated Probability by Using the Normal Distribution as an Approximation

question 112

Multiple Choice

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.
-With n = 20 and p = 0.60, estimate P(fewer than 8) .

• A)0.0668
• B)0.4332
• C)0.0202
• D)0.4953

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Definitions:

Rationalization

A defense mechanism where controversial behaviors or feelings are justified and explained in a seemingly rational or logical manner to avoid the true explanation.

Defense Mechanism

Psychological strategies brought into play by the unconscious mind to manipulate, deny, or distort reality in order to defend against feelings of anxiety and unacceptable impulses and maintain self-schema.

Threatening

Presenting a danger or harm, creating a sense of fear or insecurity.

Neo-Freudian

A term referring to psychologists who accepted the basic components of Freud's theory but modified and expanded upon them.