18.X.4 - Examples
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Practice Questions
Test your understanding with targeted questions
What is the probability of getting exactly 2 heads when tossing a coin 4 times?
💡 Hint: Remember to define n, k, and p before calculating.
A factory produces 90% defect-free products. What is the probability that out of 10 products, exactly 9 are defect-free?
💡 Hint: Use the PMF formula to solve this.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the PMF formula for the Binomial Distribution?
💡 Hint: Think about how to express combinations and probabilities.
Is it true that the Binomial Distribution can only have two outcomes?
💡 Hint: Remember the definition of a Bernoulli trial.
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Challenge Problems
Push your limits with advanced challenges
In a city, 30% of the population is a smoker. If we survey 15 people, what is the probability that exactly 5 are smokers?
💡 Hint: Use the binomial probability formula and remember to calculate the binomial coefficient.
A basketball player has a free throw success rate of 75%. If he takes 20 shots, what is the probability that he scores exactly 15 times?
💡 Hint: Keep track of your n, k, p, and q when calculating.
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Reference links
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