Flip a coin 16 times.
Each time a Head comes up you win $4. How much money would you expect to make altogether? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score more than 4? | |
[2] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in exactly 14s?
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[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:
What is the probability of rolling a number that is bigger than 1 or smaller than 5? | |
[1] |
We asked a group of girls how many Chocolates they eat in a day. Here are the results:
What fraction of the girls eat less than 4 Chocolates in a day? | |
[2] | A wheel has 6 blue sections and 2 green sections.
What is the probability of getting green? | |
[1] |
A bag has 6 balls with number 6 and 2 balls with a number 9. You take out 1 ball.
What is the probability of getting the ball with the number 9? | |
[1] | A bag has 4 balls with number 4 and 3 balls with a number 6. You take out 1 ball.
What is the probability of getting the ball with the number 6? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in less than 14s?
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[2] | Roll 30 6-sided dice.
How many times would you expect to get more than 4? | |
[1] |
There are 25 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | Roll a die 66 times.
How many times would you expect to get a 5? | |
[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:
| | 0.35 | 0.1 | 0.25 | 0.1 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] | Flip a coin 12 times.
Each time a head comes up you win $4 and with each tail you lose $2. It costs $16 to play (paid once). How much money would you expect to make altogether? | |
[1] |
We asked a group of kids how many Pillows they eat in a day. Here are the results:
What is the probability of the kids to eat less than 3 Pillows in a day? | |
[2] |