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

question 147

Multiple Choice

Estimate the indicated probability by using the normal distribution as an approximation to the binomial distribution.
-A multiple choice test consists of 60 questions. Each question has 4 possible answers of which one is correct. If all answers are random guesses, estimate the probability of getting at least 20% correct.

• A) 0.8508
• B) 0.0901
• C) 0.1492
• D) 0.3508

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Definitions:

Loving

Expressing or feeling deep affection, care, and attachment towards someone or something.

Ageism

Discrimination against people on the basis of age, particularly against older people.

Paid Labor Force

Individuals who are engaged in work for which they receive monetary compensation, contributing to the formal economy.

Retirement

The phase of life after ending one's active working life, often involving receiving pensions or retirement benefits.