Probability Basics
What is the probability of rolling a 3 on a fair six-sided die?
1/6
Convert 1/4 into a decimal
0.25
True or False: Flipping a coin twice are independent events.
True
If you flip a coin, what is the probability of getting heads?
1/2
Convert 0.75 into a percent.
75%
What is the probability of rolling two 6s in a row on a fair die?
1/36
How many total outcomes are there when rolling a six-sided die?
A probability of 3/5 is what percent?
60%
A bag has 5 red and 3 blue marbles. You draw one without replacement. What is the probability of drawing a blue, then a red?
3/8 × 5/7 = 15/56
What is the probability of rolling an even number on a die?
3/6 or 1/2
Express a 20% chance as a fraction in simplest form.
1/5
A bag has 3 red, 4 blue, and 5 green marbles. What is the probability of drawing a red?
3/12 or 1/4
A probability of 0.125 is what fraction in simplest form?
1/8