We asked a group of humans how many Burgers they eat in a day. Here are the results:
What fraction of the humans eat more than 0 Burgers in a day? | |
[2] | 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 | 0.05 | 0.2 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 3? | |
[1] |
| A bag has 2 balls with number 8 and 4 balls with a number 6. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Roll 30 6-sided dice.
How many times would you expect to get less than or equal to 6? | |
[1] |
A bag has 8 red balls and 6 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | A wheel has 10 sections, each has a reward in dollars, from $1 through to $10.
What prize do we expect to get if we spin the wheel? | |
[1] |
Flip a coin 6 times.
Each time a Head comes up you win $2. It costs $9 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:
| | 0.1 | 0.5 | 0.4 | | yellow | purple | green | | Color |
How many purple balls were in the bag? | |
[1] |
We asked a group of dogs how many Bananas they eat in a week. Here are the results:
What is the probability of the dogs to eat exactly 3 Bananas in a week? | |
[2] | A wheel has 7 sections, each a number on it from 1 to 7. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[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 3 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:
What is the probability of rolling a 4? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.2 | | | green | yellow | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
A wheel has 8 pink sections and 8 green sections.
What is the probability of getting green? | |
[1] | A bag has 4 red balls and 9 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in more than 14s?
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[2] |