| A bag has 2 balls with number 3 and 2 balls with a number 6. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Flip 3 coins.
What is the probability of getting 3 heads? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in more than 13s?
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[2] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score less than 2? | |
[2] |
A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score exactly 0? | |
[2] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | | 0.5 | | orange | blue | yellow | | Color |
How many blue balls were in the bag? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score exactly 3? | |
[2] |
Roll 96 6-sided dice.
How many times would you expect to get anything except 6? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | red | green | | Color |
Probability of Type
| | 1 | | | sedan | wagon | | Type |
What is the probability of a car being a green sedan? | |
[2] |
A bag has 7 balls with numbers from 4 to 10. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 6? | |
[1] | Flip 7 coins.
What is the probability of getting 7 heads? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 1 and a head? | |
[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:
| | 0.55 | 0.1 | 0.15 | | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 2? | |
[1] |
Roll 18 6-sided dice.
How many times would you expect to get a number less than 6? | |
[1] |