Roll 108 6-sided dice. How many times would you expect to get less than or equal to 3? | |
[1] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in more than 17s?
| |
[2] |
You flip a coin and roll a 6 sided die. What is the probability of getting a 6 and a head? | |
[1] | There are 36 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score more than 4? | |
[2] | Flip a coin 8 times. Each time a Head comes up you win $4. It costs $8 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 an odd number? | |
[1] | Roll 48 6-sided dice. How many times would you expect to get less than or equal to 3? | |
[1] |
Roll 42 6-sided dice. How many times would you expect to get less than or equal to 4? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What fraction of the boys score exactly 0? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | blue | red | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a blue wagon? | |
[2] | Flip a coin 12 times. Each time a Head comes up you win $3. How much money would you expect to make altogether? | |
[1] |
A bag has 9 balls with numbers from 2 to 10. You take out 1 ball. What is the probability of NOT getting a ball with a number less than 8? | |
[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 4? | |
[2] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.3 | 0.2 | | yellow | orange | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow or orange? | |
[1] |