A bag has 3 red balls and 4 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | A bag has 5 balls with numbers from 4 to 8. You take out 1 ball.
What is the probability of NOT getting the ball with the number 5? | |
[1] |
The chances of feeling like icecream are 80%. The chances of being near an icecream store are 40%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 1? | |
[2] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score exactly 2? | |
[2] | A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 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:
| | 0.1 | 0.05 | 0.05 | 0.25 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 3? | |
[1] | A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score more than 5? | |
[2] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score exactly 4? | |
[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 that is bigger than 4 or smaller than 5? | |
[1] |
| A bag has 4 balls with number 8 and 6 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Roll 72 6-sided dice.
How many times would you expect to get a number more than 6? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 30 and a 50% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | A wheel has 5 red sections and 5 purple sections.
What is the probability of getting purple? | |
[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:
What is the probability of rolling a number that is bigger than 2 or smaller than 4? | |
[1] |