A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 15s?
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[2] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | pink | red | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow or red? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | pink | red | purple | | Color |
If you choose a random ball from the bag, what is the probability of it being red or purple? | |
[1] | Flip a coin 2 times.
Each time a head comes up you win $2 and with each tail you lose $3. How much money would you expect to make altogether? | |
[1] |
Flip 3 coins.
What is the probability of getting 3 tails? | |
[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:
| | 0.3 | 0.15 | 0.25 | 0.25 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] |
A bag has 4 balls with numbers from 4 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 6? | |
[1] | A bag has 6 red balls, 8 green balls and 3 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score less than 3? | |
[2] | Roll 132 6-sided dice.
How many times would you expect to get more than or equal to 3? | |
[1] |
Flip 2 coins.
What is the probability of getting 2 tails? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than or equal to 3? | |
[1] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.6 | | purple | orange | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being purple or pink? | |
[1] | A bag has 7 balls with numbers from 5 to 11. You take out 1 ball.
What is the probability of getting a ball with a number more than 9? | |
[1] |
We asked a group of kids how many Apples they eat in a month. Here are the results:
What is the probability of the kids to eat more than 0 Apples in a month? | |
[2] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | yellow | red | blue | | Color |
How many yellow balls were in the bag? | |
[1] |
A wheel has 5 blue sections and 8 pink sections.
What is the probability of getting pink? | |
[1] |