A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 17s?
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[2] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting exactly 2? | |
[1] |
Flip a coin 12 times.
Each time a head comes up you win $1 and with each tail you lose $4. How much money would you expect to make altogether? | |
[1] | Roll 150 6-sided dice.
How many times would you expect to get more than 4? | |
[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:
| | 0.2 | 0.15 | 0.15 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 2? | |
[1] | | You shoot an arrow at a target. There is a 10% chance of scoring a 20 and a 40% chance of scoring a 30 and a 50% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
Flip a coin 2 times.
Each time a head comes up you win $4 and with each tail you lose $1. How much money would you expect to make altogether? | |
[1] | | You shoot an arrow at a target. You will either score 10 (50% chance), 40 (10% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |
You flip a coin and roll a 5 sided die.
What is the probability of getting a 3 and a tail? | |
[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 | 0.2 | 0.2 | 0.15 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 2? | |
[1] |
We asked a group of dogs how many Peaches they eat in a month. Here are the results:
What is the probability of the dogs to eat exactly 2 Peaches in a month? | |
[2] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 16s?
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[2] |
A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score less than 3? | |
[2] | | A bag has 6 balls with number 5 and 9 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.3 | 0.1 | | purple | pink | orange | | Color |
How many orange balls were in the bag? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting a 3 on both dice? | |
[1] |
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