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 smaller than 2? | |
[1] | Roll 90 6-sided dice.
How many times would you expect to get less than 5? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | purple | blue | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] | A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score more than 5? | |
[2] |
Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 4? | |
[1] |
Roll 12 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in exactly 15s?
| |
[2] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.1 | 0.8 | | orange | pink | green | | Color |
How many green balls were in the bag? | |
[1] | A group of people were timed running 100m. Here are the results:
What fraction of the people run 100m in less than 13s?
| |
[2] |
Flip a coin 12 times.
Each time a head comes up you win $2 and with each tail you lose $1. 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:
What is the probability of rolling a number from 1 to 2? | |
[1] |
A bag has 10 red balls, 8 blue balls and 7 yellow balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | A bag has 4 balls with numbers from 1 to 4. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 4? | |
[1] |
A bag has 8 red balls and 5 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[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 smaller than or equal to 3? | |
[1] |
|