Roll 1 6-sided die.
What is the probability of NOT getting a 3? | |
[1] | Roll 138 6-sided dice.
How many times would you expect to get more than 3? | |
[1] |
A wheel has 4 pink sections and 6 red sections.
What is the probability of getting pink? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than or equal to 4? | |
[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:
| | 0.45 | 0.05 | 0.25 | | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 1 to 2? | |
[1] | A bag has 2 balls with number 2 and 9 balls with a number 3. You take out 1 ball.
What is the probability of getting the ball with the number 2? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 14s?
| |
[2] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | red | purple | pink | | Color |
How many purple balls were in the bag? | |
[1] |
A bag has 2 red balls and 8 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | | 0.2 | | yellow | pink | green | | Color |
How many yellow balls were in the bag? | |
[1] |
We asked a group of boys how many Oranges they eat in a month. Here are the results:
What is the probability of the boys to eat exactly 3 Oranges in a month? | |
[2] | A bag has 8 balls with numbers from 1 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 6? | |
[1] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 20% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | | You shoot an arrow at a target. You will either score 10 (50% chance), 30 (20% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |
Roll 30 6-sided dice.
How many times would you expect to get an even number? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | orange | pink | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a pink wagon? | |
[2] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | | 0.4 | | pink | yellow | green | | Color |
How many yellow balls were in the bag? | |
[1] |