Practice - Probability & Chance: Quantifying Uncertainty
Practice Questions
Test your understanding with targeted questions
What is the probability of rolling a 2 on a fair six-sided die?
💡 Hint: Consider how many favorable outcomes there are over total possible outcomes.
If you flip a coin, what is the probability it lands on tails?
💡 Hint: Count how many outcomes correspond to tails.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the probability of rolling an even number on a fair six-sided die?
💡 Hint: Count the even numbers, then divide them by the total outcomes.
True or False: The theoretical probability of flipping a coin is always 1/2.
💡 Hint: Consider the definition of a fair coin.
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Challenge Problems
Push your limits with advanced challenges
You have a bag with 4 red and 6 blue marbles. You pick one marble, replace it, then pick another. What is the probability both marbles picked are blue?
💡 Hint: Remember to use the multiplication rule for independent events.
In a survey, 60% like chocolate and 30% like vanilla. If they choose randomly, what is the probability that someone likes either chocolate or vanilla?
💡 Hint: Consider if any preferences overlap when adding together.
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Reference links
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