Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[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:
| | 0.2 | 0.05 | 0.05 | 0.05 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3? | |
[1] |
A bag has 3 balls with number 6 and 3 balls with a number 1. You take out 1 ball.
What is the probability of getting the ball with the number 6? | |
[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:
| | 0.05 | 0.1 | 0.2 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller 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:
| | 0.25 | 0.05 | 0.25 | 0.05 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 5? | |
[1] | Roll 24 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | purple | yellow | green | | 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 30 and a 10% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score exactly 2? | |
[2] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 1? | |
[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:
| | 0.3 | 0.25 | 0.2 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 1 to 5? | |
[1] | Roll 24 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 10 and a 40% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] | Roll 1 6-sided die.
What is the probability of getting a number bigger than or equal to 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:
What is the probability of rolling a number that is bigger than 2 and smaller 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:
What is the probability of rolling a number that is bigger than 3 and smaller than 2? | |
[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:
| | 0.5 | 0.2 | 0.05 | 0.1 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 4? | |
[1] | There are 40 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
|