Flip 2 coins.
What is the probability of getting 2 tails? | |
[1] | A bag has 2 balls with number 1 and 2 balls with a number 2. You take out 1 ball.
What is the probability of getting the ball with the number 1? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | red | yellow | | Color |
Probability of Type
| | 0.2 | 0.8 | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[2] | A bag has 7 balls with numbers from 5 to 11. You take out 1 ball.
What is the probability of NOT getting the ball with the number 12? | |
[1] |
Roll 90 6-sided dice.
How many times would you expect to get less 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:
What is the probability of rolling a number that is bigger than 2 or smaller than 3? | |
[1] |
A bag has 2 red balls and 5 blue balls. You take out a red ball, then a blue 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 1 and smaller than 3? | |
[1] |
A wheel has 13 sections, each has a reward in dollars, from $1 through to $13.
What prize do we expect to get if we spin the wheel? | |
[1] | A bag has 4 balls with numbers from 5 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 5? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | yellow | orange | | Color |
Probability of Type
| | 0.2 | 0.8 | | wagon | sedan | | Type |
What is the probability of a car being a yellow sedan? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | red | purple | | Color |
Probability of Type
| | 0.6 | 0.4 | | sedan | wagon | | Type |
What is the probability of a car being a purple wagon? | |
[2] |
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:
| | 0.5 | 0.05 | 0.2 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 3? | |
[1] | The chances of feeling like icecream are 70%. The chances of being near an icecream store are 60%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
An obstacle course has 2 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | A wheel has 6 blue sections and 6 pink sections.
What is the probability of getting pink? | |
[1] |
Flip 2 coins.
What is the probability of getting 2 heads? | |
[1] |