There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.3 | 0.1 | | pink | blue | purple | | Color |
How many pink balls were in the bag? | |
[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 smaller than 1? | |
[1] |
A bag has 10 red balls, 7 green balls and 6 blue balls. You take out 1 ball.
What is the probability of getting a green ball or a red ball? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score more than 5? | |
[2] |
A bag has 10 red balls, 8 green balls and 7 blue balls. You take out 1 ball.
What is the probability of getting a red ball or a green ball? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | green | blue | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a green 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:
| | 0.45 | 0.1 | | 0.2 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 1 to 3? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in less than 15s?
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[2] |
We asked a group of dogs how many Pizzas they eat in a month. Here are the results:
What fraction of the dogs eat less than 1 Pizzas in a month? | |
[2] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.5 | 0.1 | | green | purple | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 14s?
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[2] | The weather forecast says that the chances of rain are 60%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 70%.
What is the probability of getting wet today? | |
[1] |
| You shoot an arrow at a target. There is a 30% chance of scoring a 20 and a 30% chance of scoring a 30 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.4 | 0.3 | | pink | purple | green | | Color |
If you choose a random ball from the bag, what is the probability of it being pink or purple? | |
[1] |
Roll 144 6-sided dice.
How many times would you expect to get more than or equal to 4? | |
[1] |