If a Coin Is Tossed Three Times, and a Statistician

question 69

Multiple Choice

If a coin is tossed three times, and a statistician predicts that the probability of obtaining three heads in a row is 0.125, which of the following assumptions is irrelevant to his prediction?

• A)The events are dependent.
• B)The events are independent.
• C)The coin is unbiased.
• D)All of the above assumptions are relevant to his prediction.

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Definitions:

Factor Analysis

A statistical method used to identify underlying variables, or factors, that explain the pattern of correlations among multiple observed variables.

Personality Traits

Enduring characteristics or habitual patterns of behavior, thought, and emotion that are relatively stable over time and across situations.

Gordon Allport

An American psychologist known for his trait theory of personality, which categorized human personality into cardinal, central, and secondary traits.

Psychoanalytic Theory

A theory of personality and psychological disorder that emphasizes unconscious motives and conflicts, originated by Sigmund Freud.