We asked a group of humans how many Sandwiches they eat in a month. Here are the results:
What is the probability of the humans to eat less than 4 Sandwiches in a month? | |
[2] | Flip a coin 18 times.
Each time a Head comes up you win $2. It costs $21 to play (paid once). How much money would you expect to make altogether? | |
[1] |
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 5? | |
[1] | Roll 66 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] |
We asked a group of people how many Icecreams they eat in a week. Here are the results:
What is the probability of the people to eat exactly 3 Icecreams in a week? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | orange | blue | | Color |
Probability of Type
| | 0.8 | 0.2 | | wagon | sedan | | Type |
What is the probability of a car being a blue wagon? | |
[2] |
Roll 48 6-sided dice.
How many times would you expect to get anything except 3? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.9 | 0.1 | | | blue | pink | purple | | Color |
If you choose a random ball from the bag, what is the probability of it being pink? | |
[1] |
There are 24 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | A group of people were timed running 100m. Here are the results:
people
| | 4 | 2 | 5 | 3 | 5 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the people to run 100m in exactly 13s?
| |
[2] |
| You shoot an arrow at a target. You will either score 10 (20% chance), 40 (30% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] | Roll 66 6-sided dice.
How many times would you expect to get more than 5? | |
[1] |
Roll 72 6-sided dice.
How many times would you expect to get less than 3? | |
[1] | An obstacle course has 1 Fences and 1 Ditches. You have a 90% 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] |
| You shoot an arrow at a target. There is a 90% chance of scoring a 10 and a 10% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
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