On a Multiple-Choice Exam for Which Each Question Has Four

question 47

Multiple Choice

On a multiple-choice exam for which each question has four possible answers,the probability of guessing the correct answer is p = 1/4.What is the mean of the binomial distribution for the number of correct guesses for a series of 100 questions?​

• A)​5
• B)​25
• C)​10
• D)​50

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Definitions:

Wisdom

The quality of having experience, knowledge, and good judgment; the ability to apply such attributes to solve problems or make decisions.

Psychosocial Stages

Erikson’s theory that proposes eight stages of human development, each characterized by a different psychological crisis that contributes to a person's personality.

Adaptive Development

The process of change and growth that enhances an individual's ability to cope with new situations and challenges.

Generativity

A concern for establishing and guiding the next generation, typically developed during middle adulthood.