Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | 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] | | You shoot an arrow at a target. You will either score 20 (40% chance), 30 (40% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |
A wheel has 14 sections, each has a reward in dollars, from $1 through to $14.
What prize do we expect to get if we spin the wheel? | |
[1] | A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in more than 16s?
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[2] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.5 | 0.1 | | yellow | blue | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow or orange? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | | 0.7 | | yellow | green | blue | | Color |
How many blue balls were in the bag? | |
[1] |
We asked a group of dogs how many Strawberries they eat in a month. Here are the results:
What is the probability of the dogs to eat more than 2 Strawberries 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 50. What average score do you expect to get if you do this many times? | |
[1] |
Roll 90 6-sided dice.
How many times would you expect to get more than 5? | |
[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:
| | 0.15 | 0.15 | 0.2 | | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 4? | |
[1] |
There are 2 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] | Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 5? | |
[1] |
Flip a coin 18 times.
Each time a head comes up you win $3 and with each tail you lose $4. It costs $33 to play (paid once). How much money would you expect to make altogether? | |
[1] | Roll 12 6-sided dice.
How many times would you expect to get more than 3? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | red | yellow | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a yellow sedan? | |
[2] | A wheel has 8 yellow sections and 3 blue sections.
What is the probability of getting blue? | |
[1] |
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