A bag has 5 balls with numbers from 5 to 9. You take out 1 ball. What is the probability of getting a ball with a number more than 5? | |
[1] | 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 exactly 5? | |
[2] |
There are 55 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[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 3? | |
[2] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | red | orange | blue | | Color |
How many red balls were in the bag? | |
[1] | An obstacle course has 2 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] |
There are 30 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.2 | 0.6 | | purple | orange | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] |
A bag has 10 red balls, 5 green balls and 3 blue balls. You take out 1 ball. What is the probability of NOT getting a red ball? | |
[1] | We asked a group of people how many Bananas they eat in a day. Here are the results:
What fraction of the people eat exactly 4 Bananas in a day? | |
[2] |
A bag has 2 red balls, 5 blue balls and 3 yellow balls. You take out a yellow ball, then a red ball, then another ball. What is the probability of getting blue for the last ball? | |
[1] | A bag has 8 balls with number 6 and 8 balls with a number 8. You take out 1 ball. What is the probability of getting the ball with the number 6? | |
[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 13s?
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[2] | Roll 132 6-sided dice. How many times would you expect to get more than or equal to 3? | |
[1] |
A wheel has 3 orange sections and 5 yellow sections. What is the probability of getting yellow? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.1 | 0.1 | | red | blue | green | | Color |
If you choose a random ball from the bag, what is the probability of it being green? | |
[1] |
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