Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are even? | |
[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 | | 0.1 | 0.25 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 2 to 4? | |
[1] |
A bag has 4 red balls, 3 blue balls and 6 yellow balls. You take out a yellow ball, then a red ball, then another ball.
What is the probability of getting yellow for the last ball? | |
[1] | We asked a group of boys how many Apples they eat in a month. Here are the results:
What is the probability of the boys to eat exactly 0 Apples in a month? | |
[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 9? | |
[1] | We asked a group of humans how many Peaches they eat in a day. Here are the results:
What is the probability of the humans to eat exactly 3 Peaches in a day? | |
[2] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.1 | 0.3 | | pink | green | red | | Color |
How many green balls were in the bag? | |
[1] | A wheel has 12 sections, each a number on it from 1 to 12. 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] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are 1 or 4? | |
[1] | We asked a group of boys how many Pizzas they eat in a day. Here are the results:
What fraction of the boys eat exactly 2 Pizzas in a day? | |
[2] |
A bag has 7 balls with numbers from 3 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 4? | |
[1] | A bag has 8 balls with numbers from 5 to 12. You take out 1 ball.
What is the probability of NOT getting the ball with the number 10? | |
[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:
| | 0.4 | 0.25 | 0.15 | 0.2 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] | A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in more than 16s?
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[2] |
A group of humans were timed running 100m. Here are the results:
What is the probability of the humans to run 100m in more than 17s?
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[2] |