Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 2? | |
[1] |
Roll 96 6-sided dice.
How many times would you expect to get a number more than 5? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get an odd number? | |
[1] |
A bag has 4 balls with numbers from 5 to 8. You take out 1 ball.
What is the probability of NOT getting the ball with the number 5? | |
[1] | We asked a group of boys how many Burgers they eat in a day. Here are the results:
What fraction of the boys eat less than 2 Burgers in a day? | |
[2] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score more than 3? | |
[2] | There are 28 balls in a bag. This is is the probability distribution of their color:
How many pink 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:
| | 0.75 | 0.05 | 0.15 | | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 3? | |
[1] | Roll 24 6-sided dice.
How many times would you expect to get less than or equal to 6? | |
[1] |
Flip a coin 16 times.
Each time a Head comes up you win $3. How much money would you expect to make altogether? | |
[1] | Flip 1 coin.
What is the probability of getting a head? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are more than 3? | |
[1] | The chances of feeling like icecream are 90%. The chances of being near an icecream store are 50%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[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:
| | 0.25 | 0.2 | | 0.05 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2? | |
[1] | A bag has 5 balls with number 2 and 4 balls with a number 8. You take out 1 ball.
What is the probability of getting the ball with the number 8? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | orange | green | red | | Color |
How many orange balls were in the bag? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | blue | green | red | | Color |
If you choose a random ball from the bag, what is the probability of it being blue? | |
[1] |
|