Roll 84 6-sided dice.
How many times would you expect to get a number less than 4? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 2? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | purple | yellow | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a purple wagon? | |
[2] | A wheel has 7 sections, each a number on it from 1 to 7. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
A bag has 6 balls with numbers from 2 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 2? | |
[1] | Roll 36 6-sided dice.
How many times would you expect to get a number more than 1? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it not being purple or orange? | |
[1] | A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 6 | | 14 | 6 | | 15 | 4 | | 16 | 4 | | 17 | 5 |
What fraction of the humans run 100m in exactly 17s?
| |
[2] |
We asked a group of boys how many Popsicles they eat in a month. Here are the results:
What is the probability of the boys to eat exactly 1 Popsicles in a month? | |
[2] | A group of people were timed running 100m. Here are the results:
What is the probability of the people to run 100m in exactly 16s?
| |
[2] |
An obstacle course has 1 Fences and 2 Ditches. You have a 50% chance of clearing a Fence and a 90% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | blue | purple | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a blue sedan? | |
[2] |
We asked a group of boys how many Bowls of Ramen they eat in a day. Here are the results:
| Bowls of Ramen | boys | | 0 | 5 | | 1 | 3 | | 2 | 3 | | 3 | 3 |
What fraction of the boys eat exactly 0 Bowls of Ramen in a day? | |
[2] |