A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in more than 14s?
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[2] | Roll 126 6-sided dice.
How many times would you expect to get less than or equal to 1? | |
[1] |
Flip a coin 6 times.
Each time a head comes up you win $1 and with each tail you lose $3. How much money would you expect to make altogether? | |
[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:
| | 0.2 | | 0.05 | 0.15 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 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:
What is the probability of rolling a number that is bigger than 1? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | blue | purple | pink | | Color |
How many pink balls were in the bag? | |
[1] |
A bag has 5 red balls, 5 blue balls and 2 yellow 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 group of people did a math test and here are their scores out of 5:
What fraction of the people score less than 1? | |
[2] |
Roll 36 6-sided dice.
How many times would you expect to get a number more than 7? | |
[1] | The weather forecast says that the chances of rain are 50%. Your chance of being outside today is 80%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] |
We asked a group of dogs how many Bananas they eat in a day. Here are the results:
What is the probability of the dogs to eat exactly 2 Bananas in a day? | |
[2] | 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 40%.
What is the probability of getting wet today? | |
[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:
| | 0.1 | 0.2 | 0.1 | 0.05 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 5? | |
[1] | A bag has 5 red balls and 5 blue balls. You take out 1 ball.
What is the probability of getting a blue ball? | |
[1] |
There are 32 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[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] |
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