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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a discrete random variable.
💡 Hint: Think of examples like the number of students in a classroom.
Question 2
Easy
What is a joint probability distribution?
💡 Hint: Consider the outcomes of rolling two dice.
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 a joint probability distribution measure?
- Relationship between two variables
- Variance of a variable
- Sum of probabilities
💡 Hint: Think about how different outcomes are connected.
Question 2
True or False: A joint PDF can be negative.
- True
- False
💡 Hint: Consider the properties of probability distributions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a joint PDF f(x,y) = 3x^2y for 0 < x < 1, 0 < y < 1, calculate the marginal PDF of X.
💡 Hint: Remember the integration limits and the formula!
Question 2
Two random variables are defined as independent if P(A and B) = ...? Fill in the blank.
💡 Hint: Think about independence concepts!
Challenge and get performance evaluation