Expected Values Quizzes, Questions & Answers
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Top Trending Expected Values Quizzes
This quiz tests your understanding of expected value concepts and their interpretation in probability distributions. Questions involve calculating expected values for discrete random variables, interpreting them in real-world...
Questions: 22 | Attempts: 11 | Last updated: Dec 11, 2025
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Sample Question 1What does the expected value of a random variable represent?
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Sample Question 2A random variable X can take values 1, 2, or 3, each with equal probability. What is the expected value of X?
This final quiz delves into multi-step problems where expected value calculations are used in complex scenarios like product launches, public transportation, and game decisions. It challenges you to calculate expected values in...
Questions: 22 | Attempts: 10 | Last updated: Dec 11, 2025
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Sample Question 1A carnival game costs $4 to play. You draw a ball with probabilities: 50% win $2, 30% win $4, 15% win $6, 5% win $20. What is the expected net gain/loss per play?
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Sample Question 2A stock has annual outcomes: 20% +30%, 50% +8%, 20% −5%, 10% −20%. On a $10,000 investment, what is the expected change in dollars after one year (simple expectation on returns)?
Recent Expected Values Quizzes
This quiz focuses on applying expected value to real-world decisions. It explores situations involving carnival games, lotteries, insurance policies, and investments, where the goal is to evaluate the expected net gains or losses...
Questions: 21 | Attempts: 10 | Last updated: Dec 11, 2025
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Sample QuestionWhat is the expected payout (before subtracting the $3 cost) of one spin?
This quiz will help you calculate expected values for discrete distributions. It includes problems involving random variables such as arcade tickets, raffles, dice rolls, and defects per item, helping you understand the expected...
Questions: 24 | Attempts: 10 | Last updated: Dec 11, 2025
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Sample QuestionWhat is the expected value (mean) of tickets won per game?
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