A group of humans were timed running 100m. Here are the results:
humans
| | 1 | 4 | 3 | 6 | 6 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the humans to run 100m in more than 13s?
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[2] | The weather forecast says that the chances of rain are 20%. Your chance of being outside today is 80%. The chance of remembering your umbrella is 40%. What is the probability of getting wet today? | |
[1] |
There are 22 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | We asked a group of humans how many Chocolates they eat in a day. Here are the results:
What fraction of the humans eat exactly 0 Chocolates in a day? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | green | red | | Color |
Probability of Type
| | 0.1 | 0.9 | | wagon | sedan | | Type |
What is the probability of a car being a green wagon? | |
[2] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in exactly 14s?
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[2] |
| A bag has 6 balls with number 4 and 5 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Flip a coin 6 times. Each time a head comes up you win $4 and with each tail you lose $1. It costs $10 to play (paid once). 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:
What is the probability of rolling a number that is smaller than or equal to 3? | |
[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 2? | |
[2] |
Roll 12 6-sided dice. How many times would you expect to get less than or equal to 3? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.8 | | blue | pink | yellow | | Color |
How many yellow balls were in the bag? | |
[1] |
The weather forecast says that the chances of rain are 20%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 40%. What is the probability of getting wet today? | |
[1] | You roll 2 3-sided dice You add the two numbers. What is the probability of getting more than 5? | |
[1] |
Roll 84 6-sided dice. How many times would you expect to get a number more than 2? | |
[1] |