Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | purple | green | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] | A bag has 9 balls with numbers from 1 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 9? | |
[1] |
We asked a group of people how many Peaches they eat in a day. Here are the results:
What is the probability of the people to eat exactly 0 Peaches in a day? | |
[2] | | You shoot an arrow at a target. There is a 50% chance of scoring a 10, a 30% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
We asked a group of boys how many Sandwiches they eat in a day. Here are the results:
What is the probability of the boys to eat more than 2 Sandwiches in a day? | |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | red | yellow | blue | | Color |
If you choose a random ball from the bag, what is the probability of it being red or blue? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | red | green | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a red sedan? | |
[2] | Roll 1 6-sided die.
What is the probability of getting a 4? | |
[1] |
A wheel has 14 sections, 2 of each color.
What is the probability of getting pink? | |
[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:
| | 0.5 | 0.15 | 0.25 | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 4? | |
[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] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | yellow | red | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[2] |
A wheel has 7 sections, each has a reward in dollars, from $1 through to $7.
What prize do we expect to get if we spin the wheel? | |
[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 4? | |
[1] |
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