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 or equal to 1? | |
[1] | | You shoot an arrow at a target. There is a 30% chance of scoring a 10 and a 10% chance of scoring a 40 and a 60% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 6 red balls and 3 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score less than 0? | |
[2] |
A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score less than 0? | |
[2] | 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 more than 2? | |
[2] |
A bag has 5 red balls, 6 blue balls and 8 yellow balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | Roll 90 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] |
A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score less than 4? | |
[2] | There are 30 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score exactly 1? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | orange | yellow | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being red? | |
[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 | 0.15 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[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 | 0.15 | | 0.05 | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 3? | |
[1] |