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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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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
If the probability of a student passing an exam is 0.80, what is the probability of not passing?
💡 Hint: Use the formula P(not E) = 1 - P(E).
Question 2
Easy
An event has a probability of 0.25. What is the probability of the complementary event?
💡 Hint: 1 minus the given probability.
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 probability of an event not occurring if the event has a probability of 0.90?
- 0.10
- 0.90
- 0.50
💡 Hint: Subtract from 1.
Question 2
If P(E) = 0.30, what is P(not E)?
- True
- False
💡 Hint: Calculate it to verify.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In an experiment, a die is rolled. The probability of rolling a number greater than 4 is 0.33. What is the probability of rolling a number that is not greater than 4?
💡 Hint: Think about how the probabilities relate.
Question 2
If the chance of selecting an apple from a basket is 0.60, what is the probability that you do not select an apple? How can this be useful in real-life decisions?
💡 Hint: Apply the complementary concept here.
Challenge and get performance evaluation