Roll 72 6-sided dice.
How many times would you expect to get more than or equal to 1? | |
[1] | | A bag has 6 balls with number 3 and 5 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
A wheel has 6 blue sections and 5 orange sections.
What is the probability of getting blue? | |
[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 1? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | pink | green | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a green wagon? | |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.5 | 0.1 | | red | orange | pink | | Color |
How many orange balls were in the bag? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | purple | orange | blue | | Color |
How many orange balls were in the bag? | |
[1] | A wheel has 3 yellow sections and 5 pink sections.
What is the probability of getting pink? | |
[1] |
We asked a group of boys how many Popsicles they eat in a month. Here are the results:
What fraction of the boys eat less than 2 Popsicles in a month? | |
[2] | | You shoot an arrow at a target. There is a 60% chance of scoring a 20 and a 40% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in less than 17s?
| |
[2] | Flip a coin 18 times.
Each time a head comes up you win $4 and with each tail you lose $3. It costs $22 to play (paid once). How much money would you expect to make altogether? | |
[1] |
There are 5 balls in a bag. This is is the probability distribution of their color:
How many blue 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 number that is bigger than 5 and smaller than 4? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 17s?
| |
[2] | A wheel has 11 sections, each has a reward in dollars, from $1 through to $11.
What prize do we expect to get if we spin the wheel? | |
[1] |
|