You roll a 3 sided die and a 10 sided die.
What is the probability of getting 1 on both dice? | |
[1] | Roll 54 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 15s?
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[2] | Roll 1 6-sided die.
What is the probability of getting a number smaller than 1? | |
[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 | 0.25 | 0.15 | | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 2? | |
[1] | A bag has 9 balls with number 1 and 5 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 7? | |
[1] |
Roll 48 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] | There are 22 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 1 | | 14 | 5 | | 15 | 4 | | 16 | 5 | | 17 | 3 |
What is the probability of the people to run 100m in exactly 14s?
| |
[2] | There are 10 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | pink | yellow | | Color |
Probability of Type
| | 0.8 | 0.2 | | sedan | wagon | | Type |
What is the probability of a car being a pink sedan? | |
[2] | A bag has 8 red balls, 8 blue balls and 5 yellow balls. You take out a blue ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |
We asked a group of people how many Apples they eat in a day. Here are the results:
What fraction of the people eat exactly 1 Apples in a day? | |
[2] | You flip a coin and roll a 6 sided die.
What is the probability of getting a number equal to 4 and a tail? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | orange | blue | purple | | Color |
How many orange balls were in the bag? | |
[1] | The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 50%.
What is the probability of getting wet today? | |
[1] |
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