| You shoot an arrow at a target. There is a 60% chance of scoring a 20, a 30% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | purple | orange | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] |
Flip a coin 18 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] | 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:
| | 0.65 | 0.05 | | 0.05 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 3 to 5? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in less than 14s?
| |
[2] | The chances of feeling like icecream are 50%. The chances of being near an icecream store are 80%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
You roll a 10 sided die and a 8 sided die.
What is the probability of getting 7 on both dice? | |
[1] | We asked a group of humans how many Peaches they eat in a month. Here are the results:
What fraction of the humans eat more than 3 Peaches in a month? | |
[2] |
A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score less than 1? | |
[2] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.6 | | blue | purple | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange? | |
[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 | 0.15 | 0.05 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 2? | |
[1] | Roll 1 6-sided die.
What is the probability of NOT getting a 6? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in exactly 16s?
| |
[2] | Roll 108 6-sided dice.
How many times would you expect to get more than 1? | |
[1] |
A bag has 7 red balls, 8 blue balls and 3 yellow balls. You take out a yellow ball, then a yellow ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |