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 less than 3? | |
[2] | A wheel has 8 blue sections and 4 yellow sections.
What is the probability of getting yellow? | |
[1] |
| You shoot an arrow at a target. You will either score 20 (30% chance), 30 (40% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | red | yellow | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a yellow wagon? | |
[2] |
You roll a 7 sided die and a 9 sided die.
What is the probability of getting 7 on both dice? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.2 | 0.4 | | orange | yellow | blue | | Color |
How many orange 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:
| | 0.45 | | 0.25 | 0.15 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 2? | |
[1] | Roll 150 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] |
The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 60%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[1] | A bag has 9 balls with numbers from 1 to 9. You take out 1 ball.
What is the probability of NOT getting the ball with the number 0? | |
[1] |
Roll 102 6-sided dice.
How many times would you expect to get anything except 4? | |
[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:
What is the probability of rolling a 2? | |
[1] | A bag has 10 red balls, 10 green balls and 10 blue balls. You take out 1 ball.
What is the probability of getting a green ball? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score exactly 5? | |
[2] | Flip 2 coins.
What is the probability of getting 2 heads? | |
[1] |
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