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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define Probability Mass Function (PMF).
💡 Hint: What does PMF stand for?
Question 2
Easy
List two examples of discrete random variables.
💡 Hint: Think of common experiments.
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 PMF stand for?
- Probability Mass Function
- Probability Mean Function
- Probability Model Function
💡 Hint: Focus on the word 'Mass'.
Question 2
True or False: PMF can be used for continuous random variables.
- True
- False
💡 Hint: Consider the variable type PMF applies to.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A factory produces light bulbs, and history shows that 90% are good and 10% are defective. Create a PMF for the quality of a sample of three light bulbs.
💡 Hint: Use the binomial probability formula.
Question 2
You roll a die three times. What is the PMF for rolling a total of 10?
💡 Hint: Think about breaking down the outcomes and using combinations.
Challenge and get performance evaluation