Practice - Introduction to Probability
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Practice Questions
Test your understanding with targeted questions
What is the probability of rolling a 3 on a standard die?
💡 Hint: Consider the total outcomes on a die.
If you have a bag with 5 red and 5 blue balls, what is the probability of drawing a red ball?
💡 Hint: What fraction of the total balls are red?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the probability of an event that is certain?
💡 Hint: Think about the opposite of impossible.
True or False: A probability of 0.75 indicates a high chance of occurrence.
💡 Hint: Consider what 0.5 means versus higher values.
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Challenge Problems
Push your limits with advanced challenges
In a game, the chance of winning is 3 times higher than losing. If the total probability must equal 1, what is the probability of winning?
💡 Hint: Set up the relationship between winning and losing probabilities.
A class has 24 students—15 boys and 9 girls. If a professor randomly selects two students, what is the probability that at least one is a girl?
💡 Hint: Use complementary probability to calculate the required probability.
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Reference links
Supplementary resources to enhance your learning experience.