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Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a discrete random variable?
💡 Hint: Think of outcomes you can list down.
Question 2
Easy
Provide an example of a discrete random variable.
💡 Hint: Consider simple experiments.
Practice 3 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 type of values can a discrete random variable take?
- Countable
- Uncountable
- Both
💡 Hint: Think about how we can list these outcomes.
Question 2
True or False: PMFs apply to both discrete and continuous random variables.
- True
- False
💡 Hint: Recall the definitions of PMF.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a die is rolled twice, what is the PMF for the sum of the outcomes?
💡 Hint: What sums can result from rolling two dice?
Question 2
In a digital communication system, if the probability of packet loss is 0.1, what is the PMF for the number of packets lost out of 10 packets?
💡 Hint: How does the binomial formula apply here?
Challenge and get performance evaluation