Practice - Worked Examples
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Practice Questions
Test your understanding with targeted questions
What is the probability of getting exactly 2 heads when flipping a fair coin 3 times?
💡 Hint: Use the formula with n = 3 and p = 0.5.
Calculate the mean for a binomial distribution where n = 4 and p = 0.25.
💡 Hint: Remember the formula for mean.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the binomial distribution model?
💡 Hint: Think about what outcomes we're measuring.
True or False: The mean of a binomial distribution is always greater than zero.
💡 Hint: Consider the value of p in the formula.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A bakery produces 200 loaves of bread daily, estimating 5% are defective. Using binomial distribution, calculate the probability of getting exactly 15 defective loaves in a day.
💡 Hint: Utilize the binomial formula with correct values.
In a survey of 150 people, the probability of selecting someone who prefers tea is 0.4. Calculate the probability that at least 60 people prefer tea.
💡 Hint: Use binomial cumulative distribution to simplify calculations.
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