Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being orange or red? | |
[1] | We asked a group of girls how many Peaches they eat in a day. Here are the results:
What is the probability of the girls to eat less than 1 Peaches in a day? | |
[2] |
An obstacle course has 1 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | purple | pink | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | red | purple | | Color |
Probability of Type
| | 0.1 | 0.9 | | wagon | sedan | | Type |
What is the probability of a car being a red sedan? | |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
A bag has 3 balls with numbers from 4 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 3? | |
[1] | A wheel has 6 sections, each with a different reward.
What is the probability of getting a Mike & Ike? | |
[1] |
We asked a group of kids how many Bowls of Ramen they eat in a month. Here are the results:
kids
| |
| Bowls of Ramen | 0 | 2 | | 1 | 4 | | 2 | 2 | | 3 | 3 |
What is the probability of the kids to eat exactly 3 Bowls of Ramen in a month? | |
[2] | | You shoot an arrow at a target. You will either score 20 (50% chance), 40 (10% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 6 red balls, 3 blue balls and 9 yellow balls. You take out a yellow ball, then a yellow ball, then another ball.
What is the probability of getting yellow for the last ball? | |
[1] | Roll 66 6-sided dice.
How many times would you expect to get an odd number? | |
[1] |
A Crazy Die has 5 sides, but each side has a different probability of being rolled. This is is the probability distribution of the sides being rolled:
| | 0.25 | 0.15 | 0.05 | 0.1 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 4 or 5? | |
[1] | A bag has 3 red balls, 6 blue balls and 7 yellow balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
A Crazy Die has 5 sides, but each side has a different probability of being rolled. This is is the probability distribution of the sides being rolled:
What is the probability of rolling a number that is bigger than 3 and smaller than 4? | |
[1] |