A bag has 8 balls with numbers from 5 to 12. You take out 1 ball.
What is the probability of NOT getting the ball with the number 9? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score more than 4? | |
[2] |
An obstacle course has 1 Fences and 1 Ditches. You have a 90% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | | A bag has 3 balls with number 7 and 9 balls with a number 6. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
An obstacle course has 1 Fences and 2 Ditches. You have a 80% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.4 | 0.5 | | purple | pink | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being blue? | |
[1] |
A wheel has 14 sections, each with a different reward.
What is the probability of getting a Mike & Ike? | |
[1] | We asked a group of kids how many Hot dogs they eat in a day. Here are the results:
What is the probability of the kids to eat more than 2 Hot dogs in a day? | |
[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:
| | 0.05 | | 0.2 | 0.15 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 3 to 4? | |
[1] | We asked a group of dogs how many Bowls of Ramen they eat in a day. Here are the results:
dogs
| |
| Bowls of Ramen | 0 | | | 1 | 6 | | 2 | 4 | | 3 | 1 |
What is the probability of the dogs to eat less than 1 Bowls of Ramen in a day? | |
[2] |
A wheel has 14 sections, each a number on it from 1 to 14. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 3? | |
[1] |
A bag has 7 red balls and 6 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in less than 17s?
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[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | purple | red | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being green or purple? | |
[1] | There are 35 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] |
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