| You shoot an arrow at a target. There is a 10% chance of scoring a 10 and a 40% chance of scoring a 40 and a 50% chance of scoring a 60. 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 fraction of the kids run 100m in exactly 15s?
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[2] |
A bag has 3 balls with numbers from 2 to 4. You take out 1 ball.
What is the probability of NOT getting the ball with the number 1? | |
[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:
| | 0.4 | 0.2 | | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 2? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a number more than 5 and a tail? | |
[1] | Roll 1 6-sided die.
What is the probability of getting a number bigger than or equal to 6? | |
[1] |
The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[1] | There are 36 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
The chances of feeling like icecream are 90%. The chances of being near an icecream store are 40%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 30% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
A group of humans were timed running 100m. Here are the results:
What fraction of the humans run 100m in less than 14s?
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[2] | Flip a coin 4 times.
Each time a Tail comes up you win $3. How much money would you expect to make altogether? | |
[1] |
You roll a 9 sided die and a 3 sided die.
What is the probability of getting 1 on both dice? | |
[1] | We asked a group of dogs how many Pizzas they eat in a day. Here are the results:
What fraction of the dogs eat more than 4 Pizzas in a day? | |
[2] |
There are 20 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it not being orange? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | blue | pink | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a blue sedan? | |
[2] |
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