Flip a coin 16 times.
Each time a head comes up you win $1 and with each tail you lose $3. How much money would you expect to make altogether? | |
[1] | You flip a coin and roll a 5 sided die.
What is the probability of getting a 4 and a tail? | |
[1] |
| A bag has 8 balls with number 8 and 4 balls with a number 8. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | green | pink | | Color |
Probability of Type
| | 0.1 | 0.9 | | wagon | sedan | | Type |
What is the probability of a car being a pink sedan? | |
[2] |
Roll 6 6-sided dice.
How many times would you expect to get more than 4? | |
[1] | A bag has 7 balls with numbers from 4 to 10. You take out 1 ball.
What is the probability of getting a ball with a number less than 4? | |
[1] |
Roll 120 6-sided dice.
How many times would you expect to get less than 5? | |
[1] | We asked a group of kids how many Apples they eat in a day. Here are the results:
What is the probability of the kids to eat exactly 4 Apples in a day? | |
[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 2 or smaller than 3? | |
[1] | A bag has 2 balls with number 3 and 3 balls with a number 8. You take out 1 ball.
What is the probability of getting the ball with the number 8? | |
[1] |
A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score exactly 2? | |
[2] | You flip a coin and roll a 10 sided die.
What is the probability of getting a 2 and a tail? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 20 and a 50% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | A group of humans were timed running 100m. Here are the results:
humans
| |
| Time | 13 | 3 | | 14 | 4 | | 15 | 3 | | 16 | 6 | | 17 | 5 |
What is the probability of the humans to run 100m in exactly 16s?
| |
[2] |
We asked a group of kids how many Bananas they eat in a week. Here are the results:
What fraction of the kids eat more than 4 Bananas in a week? | |
[2] |