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 flipping a head on a fair coin?
Consider how many outcomes there are in total and the favorable ones.
In a bag of 10 marbles (7 blue, 3 green), what is the probability of drawing a green marble?
Count the total marbles and the green ones.
What is the probability of rolling a 2 on a fair die?
Remember the favorable outcomes for rolling a 2.
True or False: The probability of an event can never be more than 1.
Consider what probability represents.
In a lottery where 1,000 tickets are sold and 10 winning tickets are drawn, what is the probability that you will have a winning ticket?
Consider the total number of tickets and the number of winners.
A box contains 4 red, 5 blue, and 6 green balls. If you randomly pick two balls without replacement, what is the probability that both are green?
Calculate the probabilities step by step for each draw.
6 more questions in this section. Enroll free to practise them all.
Enroll free