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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define the binomial distribution.
💡 Hint: Think about how many outcomes can happen in situations with two results.
Question 2
Easy
What does the term (n choose r) represent?
💡 Hint: Consider how combinations work.
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 is the formula for the binomial distribution?
💡 Hint: Recall the definitions of n, r, and p.
Question 2
True or False: The binomial distribution can only be used with a single trial.
💡 Hint: Think about the trials' nature in relation to successes and failures.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A die is rolled 10 times. What is the probability of rolling a '4' exactly 3 times?
💡 Hint: Use the probability for success (1/6) and failure (5/6) with the formula.
Question 2
A survey shows that 70% of people prefer coffee over tea. What is the probability that in a group of 15 randomly selected individuals, exactly 10 will prefer coffee?
💡 Hint: Identify p (0.7) as the preference for coffee and np for the expected outcomes.
Challenge and get performance evaluation