Practice Bayes’ Theorem (Introductory) - 10 | 2. Probability | IB Class 10 Mathematics – Group 5, Statistics & Probability
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What does Bayes’ Theorem help us to do?

💡 Hint: Think about how new information affects our understanding.

Question 2

Easy

What is P(A|B) in Bayes’ Theorem?

💡 Hint: Focus on the conditional aspect of probabilities.

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 P(A|B) represent in Bayes' Theorem?

  • A: Probability of B given A
  • B: Probability of A given B
  • C: Prior probability

💡 Hint: Review the definitions of conditional probabilities.

Question 2

True or False: Bayes' Theorem only applies when the events are independent.

  • True
  • False

💡 Hint: Think about how Bayes' theorem works to update beliefs.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

A rare disease affects 0.1% of a population, and a test has a 99% true positive rate and a 5% false positive rate. If a person tests positive, what’s the probability they actually have the disease?

💡 Hint: Break down the probabilities defined by the test’s accuracy and prevalence.

Question 2

In a tech company, 70% of employees are developers. A developer has a 20% chance of supporting a new project idea. If you meet someone supporting the idea, what’s the probability they are a developer?

💡 Hint: Think about each group's contribution to the total probability of support.

Challenge and get performance evaluation