There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | purple | green | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple or green? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 2 or a 1 and a tail? | |
[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 and smaller than 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:
| | 0.4 | 0.05 | 0.25 | 0.1 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller 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:
| | 0.25 | 0.2 | 0.2 | 0.15 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 2? | |
[1] | Roll 60 6-sided dice.
How many times would you expect to get an ugly number? | |
[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:
| | 0.1 | 0.15 | 0.1 | 0.25 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 3? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 5? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.7 | | 0.3 | | purple | yellow | green | | Color |
How many purple balls were in the bag? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | green | purple | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] |
A bag has 3 balls with numbers from 3 to 5. You take out 1 ball.
What is the probability of NOT getting the ball with the number 3? | |
[1] | We asked a group of girls how many Popsicles they eat in a day. Here are the results:
What is the probability of the girls to eat less than 1 Popsicles in a day? | |
[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.2 | 0.6 | | orange | yellow | pink | | Color |
How many yellow balls were in the bag? | |
[1] | Roll 36 6-sided dice.
How many times would you expect to get less than or equal to 1? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (10% chance), 30 (20% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] | A wheel has 3 yellow sections and 4 blue sections.
What is the probability of getting blue? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | blue | yellow | purple | | Color |
If you choose a random ball from the bag, what is the probability of it being purple? | |
[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:
| | 0.8 | | 0.05 | 0.1 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] |
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