Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the PMF for a fair coin toss?
💡 Hint: Think about the two possible outcomes.
Question 2
Easy
List a situation involving a discrete random variable.
💡 Hint: Focus on countable outcomes.
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 represent?
- The probability of a continuous variable
- The probability of a discrete variable
- None of the above
💡 Hint: Remember what kind of variables PMF applies to.
Question 2
True or False: The total probability of a valid PMF must equal 0.
- True
- False
💡 Hint: Think about the concept of probability.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Suppose you conduct an experiment where you toss a fair coin twice. Determine the PMF for the total number of heads observed.
💡 Hint: Consider all combinations of heads and tails.
Question 2
A customer service center observes the number of calls received per hour follows a Poisson distribution with a mean of 3. Determine the PMF for receiving 0, 1, 2, and 3 calls.
💡 Hint: Use the Poisson formula for calculations.
Challenge and get performance evaluation