A bag has 6 balls with numbers from 1 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 5? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting a 4 on both dice? | |
[1] |
There are 36 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | Roll 60 6-sided dice.
How many times would you expect to get anything except 4? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in more than 15s?
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[2] | You roll a 3 sided die and a 10 sided die.
What is the probability of getting 4 on both dice? | |
[1] |
There are 120 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | | You shoot an arrow at a target. There is a 90% chance of scoring a 20 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 10 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | orange | green | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being green? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.1 | 0.8 | | red | green | blue | | Color |
If you choose a random ball from the bag, what is the probability of it being blue? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting exactly 6? | |
[1] |
We asked a group of kids how many Sandwiches they eat in a month. Here are the results:
What fraction of the kids eat exactly 4 Sandwiches in a month? | |
[2] | We asked a group of humans how many Sandwiches they eat in a week. Here are the results:
What fraction of the humans eat less than 4 Sandwiches in a week? | |
[2] |
The chances of feeling like icecream are 60%. The chances of being near an icecream store are 80%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | A bag has 8 balls with number 5 and 8 balls with a number 6. You take out 1 ball.
What is the probability of getting the ball with the number 5? | |
[1] |
Flip a coin 6 times.
Each time a Tail comes up you win $2. How much money would you expect to make altogether? | |
[1] |