A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 15s?
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[2] | | A bag has 6 balls with number 4 and 9 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 kids how many Peaches they eat in a month. Here are the results:
What is the probability of the kids to eat more than 0 Peaches in a month? | |
[2] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | blue | purple | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue or orange? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get less than or equal to 3? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 5 and a head? | |
[1] | Roll 6 6-sided dice.
How many times would you expect to get less than 2? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.4 | 0.3 | | blue | green | 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:
| | 0.2 | | 0.2 | 0.15 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 2? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 5? | |
[1] | A bag has 4 balls with numbers from 5 to 8. You take out 1 ball.
What is the probability of getting the ball with the number 4? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in less than 17s?
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[2] | There are 22 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 20, a 30% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | Roll 78 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] |
Roll 1 6-sided die.
What is the probability of NOT getting a 5? | |
[1] |