Roll 126 6-sided dice.
How many times would you expect to get less than 5? | |
[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:
| | 0.45 | 0.2 | 0.25 | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] |
| A bag has 3 balls with number 6 and 5 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[1] | A wheel has 14 sections, each a number on it from 1 to 14. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
Roll 90 6-sided dice.
How many times would you expect to get less than 4? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
Flip a coin 2 times.
Each time a Tail comes up you win $3. It costs $3 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:
| | 0.8 | | 0.2 | | orange | pink | blue | | Color |
How many pink balls were in the bag? | |
[1] |
Roll a die 6 times.
How many times would you expect to get a 6? | |
[1] | A bag has 7 balls with numbers from 4 to 10. You take out 1 ball.
What is the probability of getting a ball with a number less 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 1 or 4? | |
[1] | There are 8 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
Roll 6 6-sided dice.
How many times would you expect to get a number more than 3? | |
[1] | We asked a group of dogs how many Pillows they eat in a month. Here are the results:
What fraction of the dogs eat more than 4 Pillows in a month? | |
[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:
| | 0.05 | 0.25 | | 0.25 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 2? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score less than 5? | |
[2] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 10 and a 20% chance of scoring a 40 and a 40% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | | A bag has 4 balls with number 3 and 9 balls with a number 7. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
|