The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[1] | Roll 36 6-sided dice.
How many times would you expect to get a number more than 2? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in less than 13s?
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[2] | A wheel has 10 sections, each has a reward in dollars, from $1 through to $10.
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:
What fraction of the people run 100m in exactly 16s?
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[2] | | You shoot an arrow at a target. There is a 40% chance of scoring a 20, a 40% 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] |
Flip a coin 6 times.
Each time a head comes up you win $1 and with each tail you lose $2. It costs $12 to play (paid once). How much money would you expect to make altogether? | |
[1] | There are 4 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] |
We asked a group of girls how many Popsicles they eat in a day. Here are the results:
What is the probability of the girls to eat less than 0 Popsicles in a day? | |
[2] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in exactly 14s?
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[2] |
A wheel has 4 sections, 2 of each color.
What is the probability of getting yellow? | |
[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 | 0.25 | 0.25 | 0.2 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 4? | |
[1] |
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 5? | |
[2] | We asked a group of people how many Chocolates they eat in a month. Here are the results:
What fraction of the people eat more than 3 Chocolates in a month? | |
[2] |
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