An obstacle course has 1 Fences and 2 Ditches. You have a 100% 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] | There are 90 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
We asked a group of dogs how many Oranges they eat in a month. Here are the results:
What fraction of the dogs eat less than 3 Oranges in a month? | |
[2] | Roll 48 6-sided dice.
How many times would you expect to get less than 1? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are odd? | |
[1] | A bag has 9 red balls, 2 green balls and 3 blue balls. You take out 1 ball.
What is the probability of NOT getting a green ball? | |
[1] |
We asked a group of humans how many Popsicles they eat in a week. Here are the results:
What is the probability of the humans to eat more than 1 Popsicles in a week? | |
[2] | | A bag has 7 balls with number 5 and 3 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | yellow | red | pink | | 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:
What is the probability of rolling a number that is bigger than 2? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | | 0.2 | | orange | red | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or green? | |
[1] | A bag has 9 balls with numbers from 4 to 12. You take out 1 ball.
What is the probability of NOT 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:
| | 0.15 | 0.2 | 0.05 | | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 or smaller than 3? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | purple | red | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow or 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:
| | 0.35 | | 0.15 | 0.25 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3? | |
[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:
| | 0.35 | | 0.2 | 0.25 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 4 to 5? | |
[1] | Roll 120 6-sided dice.
How many times would you expect to get less than or equal to 5? | |
[1] |
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