A bag has 7 balls with number 8 and 9 balls with a number 5. You take out 1 ball.
What is the probability of getting the ball with the number 8? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score exactly 1? | |
[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 | 0.2 | | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | An obstacle course has 1 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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:
| | 0.15 | 0.05 | 0.2 | 0.25 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score more than 3? | |
[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:
| | 0.45 | 0.1 | 0.1 | 0.1 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 1? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score exactly 2? | |
[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:
| | 0.55 | 0.15 | 0.05 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 3 to 4? | |
[1] | The weather forecast says that the chances of rain are 30%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 90%.
What is the probability of getting wet today? | |
[1] |
There are 4 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | Roll 1 6-sided die.
What is the probability of getting a number smaller than 3? | |
[1] |
We asked a group of boys how many Bananas they eat in a month. Here are the results:
What fraction of the boys eat exactly 2 Bananas in a month? | |
[2] | A bag has 9 red balls and 7 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
Flip 1 coin.
What is the probability of getting a tail? | |
[1] | Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[1] |
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