A group of people did a math test and here are their scores out of 5:
What fraction of the people score exactly 0? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | blue | green | | Color |
Probability of Type
| | 1 | | | sedan | wagon | | Type |
What is the probability of a car being a blue wagon? | |
[2] |
There are 36 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | A bag has 7 balls with number 3 and 8 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 3? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.2 | | | green | purple | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being green? | |
[1] | We asked a group of humans how many Pillows they eat in a month. Here are the results:
What fraction of the humans eat exactly 2 Pillows in a month? | |
[2] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score more than 4? | |
[2] | | You shoot an arrow at a target. You will either score 20 (50% chance), 30 (40% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |
Roll 120 6-sided dice.
How many times would you expect to get a number more than 6? | |
[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 4 or 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:
| | 0.5 | 0.05 | | 0.2 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 4? | |
[1] | | You shoot an arrow at a target. There is a 30% chance of scoring a 10 and a 20% chance of scoring a 40 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 7 balls with numbers from 2 to 8. You take out 1 ball.
What is the probability of getting the ball with the number 6? | |
[1] | Flip a coin 12 times.
Each time a Tail comes up you win $3. It costs $17 to play (paid once). How much money would you expect to make altogether? | |
[1] |
There are 5 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | A wheel has 7 orange sections and 3 yellow sections.
What is the probability of getting orange? | |
[1] |
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