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 mock test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the binomial distribution formula for calculating the probability of k successes?
💡 Hint: Think about the structure of the binomial formula.
Question 2
Easy
State the general form for a binomial distribution.
💡 Hint: What does this notation represent in terms of trials and probabilities?
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 finding the probability of exactly k successes in a binomial distribution?
- (n choose k)*p^k*(1-p)^(n-k)
- (n choose k)*p^(n-k)*(1-p)^k
- (n+p) choose k
💡 Hint: Look for the term that includes both successes and failures.
Question 2
Is it necessary to present your final answer to three decimal places on an IB exam?
- True
- False
💡 Hint: Consider the instructions that are usually provided with exam questions.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A basketball player makes 70% of his free throws. If he attempts 15 free throws, what is the probability that he makes exactly 12? Use the binomial distribution to calculate.
💡 Hint: Apply the binomial formula step-by-step.
Question 2
In a class of 30 students, it is known that 40% of them are good at math. If a random sample of 10 students is selected, what is the probability that exactly 4 are good at math?
💡 Hint: Use the binomial distribution formula thoughtfully for selection.
Challenge and get performance evaluation