A bag has 9 balls with number 3 and 2 balls with a number 5. You take out 1 ball.
What is the probability of getting the ball with the number 5? | |
[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:
| | 0.05 | 0.05 | 0.05 | | 0.85 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 3? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | yellow | green | pink | | Color |
How many yellow balls were in the bag? | |
[1] | The chances of feeling like icecream are 90%. The chances of being near an icecream store are 50%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | red | green | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | pink | blue | | Color |
Probability of Type
| | 0.3 | 0.7 | | wagon | sedan | | Type |
What is the probability of a car being a pink wagon? | |
[2] |
Roll 60 6-sided dice.
How many times would you expect to get a number more than 0? | |
[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? | |
[1] |
We asked a group of kids how many Strawberries they eat in a month. Here are the results:
What is the probability of the kids to eat more than 3 Strawberries in a month? | |
[2] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are less than 5? | |
[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:
| | 0.85 | 0.05 | | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 5? | |
[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:
| | 0.15 | | 0.2 | 0.05 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] |
A wheel has 7 sections, each a number on it from 1 to 7. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | A bag has 7 balls with numbers from 4 to 10. You take out 1 ball.
What is the probability of NOT getting the ball with the number 10? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.1 | 0.3 | | blue | green | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being green or blue? | |
[1] | The chances of feeling like icecream are 90%. The chances of being near an icecream store are 70%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
A bag has 6 red balls and 5 blue balls. You take out 1 blue ball, then another ball.
What is the probability of getting red for the second ball? | |
[1] |