12.1 - What is a Discrete Random Variable?
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Practice Questions
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What is a discrete random variable?
💡 Hint: Think of outcomes you can list down.
Provide an example of a discrete random variable.
💡 Hint: Consider simple experiments.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What type of values can a discrete random variable take?
💡 Hint: Think about how we can list these outcomes.
True or False: PMFs apply to both discrete and continuous random variables.
💡 Hint: Recall the definitions of PMF.
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Challenge Problems
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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?
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?
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