Roll 72 6-sided dice. How many times would you expect to get an even number? | |
[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:
| | 0.5 | 0.1 | 0.1 | 0.15 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[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 more than 5? | |
[2] | A bag has 5 balls with numbers from 2 to 6. You take out 1 ball. What is the probability of NOT getting a ball with a number less than 7? | |
[1] |
We asked a group of kids how many Burgers they eat in a month. Here are the results:
What fraction of the kids eat more than 0 Burgers in a month? | |
[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 or equal to 4? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | green | orange | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] | Roll 114 6-sided dice. How many times would you expect to get anything except 3? | |
[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 4? | |
[2] | Flip a coin 6 times. Each time a head comes up you win $2 and with each tail you lose $1. It costs $1 to play (paid once). How much money would you expect to make altogether? | |
[1] |
Roll 1 6-sided die. What is the probability of getting a number smaller than or equal to 4? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 10, a 20% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
We asked a group of dogs how many Bowls of Ramen they eat in a day. Here are the results:
dogs
| |
| Bowls of Ramen | 0 | 2 | | 1 | 4 | | 2 | 3 | | 3 | 1 |
What fraction of the dogs eat more than 1 Bowls of Ramen in a day? | |
[2] | There are 60 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[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 4? | |
[1] |