Roll 18 6-sided dice.
How many times would you expect to get less than 3? | |
[1] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in more than 13s?
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[2] |
A bag has 2 red balls and 9 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | We asked a group of dogs how many Icecreams they eat in a day. Here are the results:
What fraction of the dogs eat exactly 4 Icecreams in a day? | |
[2] |
Flip a coin 16 times.
Each time a Tail comes up you win $3. It costs $26 to play (paid once). How much money would you expect to make altogether? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 2? | |
[1] |
Flip a coin 8 times.
Each time a Tail comes up you win $4. It costs $11 to play (paid once). How much money would you expect to make altogether? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it not being orange? | |
[1] |
We asked a group of humans how many Peaches they eat in a day. Here are the results:
What is the probability of the humans to eat exactly 0 Peaches in a day? | |
[2] | A group of humans were timed running 100m. Here are the results:
What fraction of the humans run 100m in more than 16s?
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[2] |
There are 80 balls in a bag. This is is the probability distribution of their color:
How many red 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 bigger than 5 and smaller than 3? | |
[1] |
| A bag has 9 balls with number 1 and 9 balls with a number 6. What will be the average of the numbers of the balls taken out of the bag | |
[1] | An obstacle course has 2 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 flip a coin and roll a 9 sided die.
What is the probability of getting a 2 and a head? | |
[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:
| | 0.15 | 0.05 | 0.25 | 0.1 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 3 to 5? | |
[1] |
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