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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does P(A|B) mean in probability?
💡 Hint: Think about how events can be dependent on previous occurrences.
Question 2
Easy
In a bag of marbles, if 6 are red and 4 are blue, what is P(Red | Blue selected)?
💡 Hint: How many outcomes are favorable if one blue is chosen?
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the notation P(A|B) represent?
- Probability of A
- Probability of B
- Probability of A given B
💡 Hint: Remember: It's about the conditional aspect.
Question 2
True or False: Conditional probability can only apply to independent events.
- True
- False
💡 Hint: Think about how events relate to each other.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A box contains 3 red and 2 green balls. If you draw one ball, replace it, then draw another. What’s P(red on second draw | green on first draw)?
💡 Hint: Write out probabilities clearly and remember the independence after replacement.
Question 2
A 90% accurate test for a disease is given to a population where 2% have the disease. What’s the chance of having it if you test positive?
💡 Hint: Review Bayes’ theorem steps to reinforce your understanding.
Challenge and get performance evaluation