Roll 54 6-sided dice.
How many times would you expect to get an even number? | |
[1] | There are 24 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | purple | blue | green | | Color |
How many green balls were in the bag? | |
[1] | Roll 60 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score more than 0? | |
[2] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 17s?
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[2] |
An obstacle course has 1 Fences and 2 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] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | orange | yellow | red | | Color |
How many orange balls were in the bag? | |
[1] |
Flip a coin 4 times.
Each time a Tail comes up you win $2. It costs $4 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:
| | 0.5 | | 0.5 | | purple | yellow | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue or purple? | |
[1] |
A bag has 2 balls with numbers from 2 to 3. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4? | |
[1] | There are 40 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 being blue or red? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.7 | | green | orange | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being green or orange? | |
[1] | Roll 114 6-sided dice.
How many times would you expect to get a number less than 4? | |
[1] |
We asked a group of boys how many Apples they eat in a day. Here are the results:
What fraction of the boys eat more than 3 Apples in a day? | |
[2] | A bag has 4 red balls, 3 green balls and 10 blue balls. You take out 1 ball.
What is the probability of getting a blue ball? | |
[1] |
A wheel has 3 blue sections and 7 orange sections.
What is the probability of getting orange? | |
[1] |