| A bag has 4 balls with number 2 and 7 balls with a number 5. What will be the average of the numbers of the balls taken out of the bag | |
[1] | We asked a group of humans how many Bananas they eat in a month. Here are the results:
What fraction of the humans eat more than 4 Bananas in a month? | |
[2] |
A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score less than 4? | |
[2] | | You shoot an arrow at a target. There is a 50% chance of scoring a 20, a 20% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[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 | 0.25 | 0.05 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 2? | |
[1] | Roll 66 6-sided dice.
How many times would you expect to get a number more 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:
| | 0.5 | | 0.2 | 0.05 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 3? | |
[1] | Roll 138 6-sided dice.
How many times would you expect to get an odd number? | |
[1] |
Roll 120 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] | A bag has 3 balls with numbers from 4 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 5? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in more than 16s?
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[2] | There are 40 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | orange | pink | blue | | Color |
How many pink balls were in the bag? | |
[1] | Roll 132 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
A bag has 5 balls with number 2 and 8 balls with a number 9. You take out 1 ball.
What is the probability of getting the ball with the number 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:
| | 0.65 | 0.2 | | 0.1 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller 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:
| | 0.25 | 0.1 | 0.25 | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2? | |
[1] |