Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
3 cards from this section. Quick, good the night before a test.
What is the probability of rolling a die and getting a number less than 3?
Count how many sides are and what are the successful outcomes.
If the probability of rain tomorrow is 0.2, what's the probability it doesn't rain?
Use complement rule.
What is the range of probabilities for any event?
Think about possible outcomes.
Is P(A) + P(B) = P(A ∪ B) if A and B are disjoint events?
Recall the definition of disjoint events.
You flip three coins. What is the probability that at least one of them shows heads?
What’s the easier path? Consider the complement.
In a box, there are 6 red balls and 4 green balls. If you randomly draw one, what is the probability it is green or red?
Consider how many total options you have.
5 more questions in this section. Enroll free to practise them all.
Enroll free