Use the Normal Distribution to Approximate the Desired Probability

question 66

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 16 tosses. What is the probability of being correct 16 or more
Times by guessing? Does this probability seem to verify her claim?

• A) 0.0069, no
• B) 0.4931, yes
• C) 0.0069, yes
• D) 0.4931, no

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Definitions:

Secure

Feeling of being safe, stable, and free from fear or anxiety.

Anxious

Experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.

Assimilation

The cognitive process of integrating new information into existing cognitive schemas, perceptions, and understanding.

Accommodation

In psychology, the process by which individuals adjust their schemas or frameworks to incorporate new information.