A group of humans were timed running 100m. Here are the results:
humans
| | 6 | 4 | 3 | 4 | 3 | | 13 | 14 | 15 | 16 | 17 | | Time |
What is the probability of the humans to run 100m in exactly 16s?
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[2] | A bag has 7 balls with numbers from 5 to 11. You take out 1 ball.
What is the probability of getting a ball with an odd number? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | purple | red | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a red sedan? | |
[2] | A wheel has 13 sections, each a number on it from 1 to 13. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 0 | | 14 | 6 | | 15 | 5 | | 16 | 0 | | 17 | 0 |
What is the probability of the people to run 100m in more than 13s?
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[2] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.2 | 0.4 | | pink | purple | orange | | Color |
How many purple balls were in the bag? | |
[1] |
Roll 6 6-sided dice.
How many times would you expect to get more than or equal to 2? | |
[1] | There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.8 | | yellow | orange | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 2 | | 14 | 4 | | 15 | 3 | | 16 | 6 | | 17 | 3 |
What fraction of the humans run 100m in exactly 17s?
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[2] |
A wheel has 7 purple sections and 3 yellow sections.
What is the probability of getting yellow? | |
[1] | Roll 1 6-sided die.
What is the probability of NOT getting a 2? | |
[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:
| | 0.45 | 0.15 | 0.2 | 0.15 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 or smaller than 5? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score more than 3? | |
[2] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | pink | orange | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange or purple? | |
[1] |