Flip 2 coins.
What is the probability of getting 2 tails? | |
[1] | A group of humans were timed running 100m. Here are the results:
What is the probability of the humans to run 100m in less than 16s?
| |
[2] |
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:
| | 0.15 | | 0.25 | 0.25 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 2? | |
[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:
| | 0.45 | 0.15 | | 0.2 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 3? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | pink | blue | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a pink wagon? | |
[2] | Roll 66 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score less than 1? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | pink | orange | | Color |
Probability of Type
| | 0.6 | 0.4 | | wagon | sedan | | Type |
What is the probability of a car being a orange sedan? | |
[2] |
Roll 132 6-sided dice.
How many times would you expect to get less than or equal to 2? | |
[1] | A bag has 6 red balls and 5 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.1 | 0.1 | | green | orange | blue | | Color |
How many green balls were in the bag? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | | yellow | purple | orange | | Color |
How many yellow balls were in the bag? | |
[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 | 0.2 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 5? | |
[1] | Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in more than 17s?
| |
[2] |