A bag has 3 balls with numbers from 5 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 5? | |
[1] | You roll a 9 sided die and a 4 sided die.
What is the probability of getting 5 on both dice? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in less than 17s?
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[2] | 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 14s?
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[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.2 | 0.3 | | blue | purple | pink | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or blue? | |
[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 | 0.05 | 0.25 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] |
A bag has 6 balls with numbers from 2 to 7. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 4? | |
[1] | There are 2 balls in a bag. This is is the probability distribution of their color:
How many green 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:
| | 0.25 | 0.2 | 0.25 | 0.1 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 5? | |
[1] | Roll 132 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score more than 2? | |
[2] | A bag has 6 red balls, 7 blue balls and 6 yellow balls. You take out a yellow ball, then a blue ball, then another ball.
What is the probability of getting blue 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 more than 16s?
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[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:
What is the probability of rolling a number from 1 to 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:
| | 0.25 | 0.2 | 0.25 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1? | |
[1] | A wheel has 7 sections, each has a reward in dollars, from $1 through to $7.
What prize do we expect to get if we spin the wheel? | |
[1] |
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