You flip a coin and roll a 6 sided die.
What is the probability of getting a number more than 1 and a head? | |
[1] | | You shoot an arrow at a target. You will either score 10 (20% chance), 30 (30% chance), or 60. 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
| | 0.4 | 0.6 | | green | red | | Color |
Probability of Type
| | 0.6 | 0.4 | | wagon | sedan | | Type |
What is the probability of a car being a green wagon? | |
[2] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score more than 3? | |
[2] |
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 less than 4? | |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] |
Roll 144 6-sided dice.
How many times would you expect to get less than 2? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
A bag has 8 red balls, 4 green balls and 5 blue balls. You take out 1 ball.
What is the probability of getting a green ball or a blue ball? | |
[1] | You roll a 3 sided die and a 8 sided die.
What is the probability of getting 2 on both dice? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 70%.
What is the probability of getting wet today? | |
[1] |
A bag has 6 red balls and 8 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] | 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 | 0.15 | 0.1 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 or smaller than 4? | |
[1] |
Roll 102 6-sided dice.
How many times would you expect to get anything except 2? | |
[1] | A bag has 7 balls with number 7 and 6 balls with a number 2. You take out 1 ball.
What is the probability of getting the ball with the number 2? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | yellow | blue | purple | | Color |
How many purple balls were in the bag? | |
[1] |