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 | 0.2 | 0.15 | | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 4? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 1? | |
[2] |
You roll a 9 sided die and a 10 sided die.
What is the probability of getting 9 on both dice? | |
[1] | We asked a group of people how many Hot dogs they eat in a day. Here are the results:
What fraction of the people eat exactly 3 Hot dogs in a day? | |
[2] |
We asked a group of people how many Apples they eat in a month. Here are the results:
What is the probability of the people to eat less than 4 Apples in a month? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.4 | 0.4 | | blue | purple | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being red or blue? | |
[1] |
A bag has 6 balls with numbers from 3 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 3? | |
[1] | Roll 1 6-sided die.
What is the probability of getting a 1? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | purple | pink | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | pink | yellow | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or green? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| |
| Time | 13 | 1 | | 14 | 6 | | 15 | 1 | | 16 | 2 | | 17 | 6 |
What fraction of the people run 100m in exactly 17s?
| |
[2] | Flip a coin 16 times.
Each time a head comes up you win $1 and with each tail you lose $2. How much money would you expect to make altogether? | |
[1] |
Roll 90 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] | A group of people did a math test and here are their scores out of 5:
What fraction of the people score less than 1? | |
[2] |
|