The chances of feeling like icecream are 50%. The chances of being near an icecream store are 60%. There is a 10% chance that you lost all your money. What is the probability of having icecream? | |
[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 1? | |
[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:
| | 0.6 | 0.2 | 0.15 | | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2? | |
[1] | A bag has 10 red balls and 7 blue balls. You take out 1 red ball, then another ball. What is the probability of getting blue for the second ball? | |
[1] |
Roll 36 6-sided dice. How many times would you expect to get more than 4? | |
[1] | Roll 4 6-sided dice. What is the probability of getting 4 numbers that are 1 or 4? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | | 0.7 | | red | yellow | purple | | Color |
How many purple balls were in the bag? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 30, a 50% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[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:
What is the probability of rolling a number that is bigger than 1 or smaller than 3? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | red | orange | | Color |
Probability of Type
| | 0.2 | 0.8 | | wagon | sedan | | Type |
What is the probability of a car being a orange wagon? | |
[2] |
You flip a coin and roll a 6 sided die. What is the probability of getting a 3 or a 4 and a head or a tail? | |
[1] | A bag has 2 balls with numbers from 3 to 4. You take out 1 ball. What is the probability of NOT getting the ball with the number 4? | |
[1] |
There are 12 balls in a bag. This is is the probability distribution of their color:
| | 0.75 | 0.25 | | yellow | purple | | Color |
How many yellow balls were in the bag? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score exactly 4? | |
[2] |
The chances of feeling like icecream are 90%. The chances of being near an icecream store are 40%. There is a 30% chance that you lost all your money. What is the probability of having icecream? | |
[1] | A bag has 8 red balls, 4 green balls and 2 blue balls. You take out 1 ball. What is the probability of NOT getting a green ball? | |
[1] |
| You shoot an arrow at a target. There is a 80% chance of scoring a 30 and a 20% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] |