Roll 120 6-sided dice.
How many times would you expect to get more than 1? | |
[1] | | You shoot an arrow at a target. You will either score 20 (20% chance), 40 (20% 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:
What is the probability of rolling a number from 2 to 3? | |
[1] | A wheel has 13 sections, each has a reward in dollars, from $1 through to $13.
What prize do we expect to get if we spin the wheel? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in less than 13s?
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[2] | A bag has 5 balls with numbers from 4 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 4? | |
[1] |
Flip a coin 14 times.
Each time a Head comes up you win $1. How much money would you expect to make altogether? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | pink | purple | | Color |
Probability of Type
| | 1 | | | sedan | wagon | | Type |
What is the probability of a car being a pink sedan? | |
[2] |
Flip a coin 16 times.
Each time a head comes up you win $2 and with each tail you lose $2. How much money would you expect to make altogether? | |
[1] | A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 13s?
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[2] |
A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score more than 0? | |
[2] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 15s?
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[2] |
You roll a 4 sided die and a 10 sided die.
What is the probability of getting 5 on both dice? | |
[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 | 0.1 | 0.05 | 0.25 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 3? | |
[1] |
| You shoot an arrow at a target. There is a 30% chance of scoring a 20 and a 40% chance of scoring a 40 and a 30% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |