Use the Normal Distribution to Approximate the Desired Probability

question 59

Multiple Choice

Use the normal distribution to approximate the desired probability.
-A coin is tossed 20 times. A person, who claims to have extrasensory perception, is asked to predict the outcome of each flip in advance. She predicts correctly on 14 tosses. What is the probability of being correct 14 or more times by guessing? Does this probability seem to verify her claim?

• A) 0.0582, no
• B) 0.4418, yes
• C) 0.0582, yes
• D) 0.4418, no

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Definitions:

Unconscious Desires

Wishes or wants that reside within the unconscious mind, influencing behavior without the individual's conscious awareness.

Deficiency Needs

are basic requirements for physical and psychological well-being, including needs for food, safety, love, and esteem, as conceptualized by Maslow's hierarchy of needs.

Lower Needs

Fundamental physiological and safety requirements such as food, water, security, and shelter in Maslow's hierarchy of needs.

Self-actualized

A state in which a person is fully realizing their potential, including their talents, abilities, and personal qualities, as described in Maslow's hierarchy of needs.