Roll 2 6-sided dice. What is the probability of getting 2 numbers that are less than 5? | |
[1] | Roll 4 6-sided dice. What is the probability of getting 4 numbers that are less than 5? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | A bag has 9 balls with numbers from 3 to 11. 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 exactly 14s?
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[2] | We asked a group of girls how many Icecreams they eat in a month. Here are the results:
What is the probability of the girls to eat less than 0 Icecreams in a month? | |
[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:
| | 0.2 | 0.05 | | 0.05 | 0.7 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 3? | |
[1] | A bag has 10 red balls, 2 blue balls and 2 yellow balls. You take out a blue ball, then a yellow ball, then another ball. What is the probability of getting yellow for the last ball? | |
[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] | A bag has 5 red balls, 4 green balls and 9 blue balls. You take out 1 ball. What is the probability of getting a red ball? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.8 | | yellow | pink | orange | | Color |
How many pink balls were in the bag? | |
[1] | We asked a group of boys how many Strawberries they eat in a month. Here are the results:
What fraction of the boys eat exactly 1 Strawberries in a month? | |
[2] |
A wheel has 6 yellow sections and 2 blue sections. What is the probability of getting yellow? | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] |
A bag has 2 balls with numbers from 5 to 6. You take out 1 ball. What is the probability of NOT getting a ball with a number less than 5? | |
[1] | A bag has 7 red balls, 4 blue balls and 3 yellow balls. You take out a yellow ball, then a yellow ball, then another ball. What is the probability of getting red for the last ball? | |
[1] |
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