We asked a group of dogs how many Hot dogs they eat in a day. Here are the results:
What fraction of the dogs eat exactly 2 Hot dogs in a day? | |
[2] | There are 100 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (10% chance), 40 (30% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | Roll 18 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
Roll 132 6-sided dice.
How many times would you expect to get anything except 2? | |
[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 2? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What fraction of the people score exactly 1? | |
[2] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | yellow | green | red | | Color |
How many red balls were in the bag? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.1 | 0.1 | | pink | purple | orange | | Color |
If you choose a random ball from the bag, what is the probability of it being purple or pink? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | orange | pink | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a pink wagon? | |
[2] |
A bag has 6 balls with numbers from 5 to 10. You take out 1 ball.
What is the probability of getting a ball with a number more than 9? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | pink | green | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a green sedan? | |
[2] |
An obstacle course has 1 Fences and 2 Ditches. You have a 100% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | A bag has 5 balls with numbers from 4 to 8. You take out 1 ball.
What is the probability of NOT getting the ball with the number 8? | |
[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 | 0.25 | 0.15 | 0.05 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] | Flip a coin 10 times.
Each time a head comes up you win $4 and with each tail you lose $4. It costs $12 to play (paid once). How much money would you expect to make altogether? | |
[1] |
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