Practice What is a Discrete Random Variable? - 12.1 | 12. Probability Mass Function (PMF) | Mathematics - iii (Differential Calculus) - Vol 3
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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