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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