| You shoot an arrow at a target. There is a 60% chance of scoring a 10 and a 40% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[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:
| | 0.1 | 0.05 | | 0.05 | 0.8 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 4? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (30% chance), 30 (40% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | yellow | green | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a green wagon? | |
[2] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 16s?
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[2] | There are 4 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
Flip 7 coins.
What is the probability of getting 7 tails? | |
[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:
| | 0.05 | 0.15 | 0.2 | 0.25 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 or smaller than 4? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (50% chance), 40 (10% chance), or 60. What average score do you expect to get if you do this many times? | |
[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:
| | 0.65 | 0.05 | 0.1 | | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 16s?
| |
[2] | The chances of feeling like icecream are 50%. The chances of being near an icecream store are 90%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
Flip a coin 14 times.
Each time a Tail comes up you win $3. It costs $14 to play (paid once). How much money would you expect to make altogether? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score less than 5? | |
[2] |
You flip a coin and roll a 10 sided die.
What is the probability of getting a 1 and a head? | |
[1] | There are 24 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
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