A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 2 | | 14 | 2 | | 15 | 2 | | 16 | 2 | | 17 | 4 |
What fraction of the humans run 100m in more than 14s?
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[2] | The weather forecast says that the chances of rain are 20%. Your chance of being outside today is 90%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting a 4 on both dice? | |
[1] |
The weather forecast says that the chances of rain are 50%. Your chance of being outside today is 40%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] | A wheel has 3 yellow sections and 2 red sections.
What is the probability of getting red? | |
[1] |
A wheel has 6 purple sections and 4 orange sections.
What is the probability of getting purple? | |
[1] | A bag has 6 balls with number 4 and 3 balls with a number 7. You take out 1 ball.
What is the probability of getting the ball with the number 4? | |
[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:
| | 0.6 | 0.15 | 0.1 | 0.15 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 1? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | blue | yellow | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a yellow wagon? | |
[2] |
Flip 2 coins.
What is the probability of getting 2 tails? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | pink | blue | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a pink sedan? | |
[2] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 14s?
| |
[2] | We asked a group of humans how many Bananas they eat in a day. Here are the results:
What fraction of the humans eat more than 3 Bananas in a day? | |
[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |