A group of people did a math test and here are their scores out of 5:
What fraction of the people score less than 3? | |
[2] | You flip a coin and roll a 7 sided die.
What is the probability of getting a 5 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:
| | 0.45 | 0.25 | 0.05 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.8 | | pink | green | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple? | |
[1] |
Roll 126 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score more than 3? | |
[2] |
A bag has 9 red balls and 8 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | | You shoot an arrow at a target. You will either score 10 (20% chance), 30 (20% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |
A group of people were timed running 100m. Here are the results:
people
| | 5 | 2 | 6 | 3 | 5 | | 13 | 14 | 15 | 16 | 17 | | Time |
What fraction of the people run 100m in less than 16s?
| |
[2] | We asked a group of kids how many Popsicles they eat in a day. Here are the results:
What fraction of the kids eat exactly 4 Popsicles in a day? | |
[2] |
The chances of feeling like icecream are 90%. The chances of being near an icecream store are 80%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | A wheel has 8 sections, each has a reward in dollars, from $1 through to $8.
What prize do we expect to get if we spin the wheel? | |
[1] |
We asked a group of girls how many Pizzas they eat in a month. Here are the results:
What fraction of the girls eat exactly 2 Pizzas in a month? | |
[2] | We asked a group of girls how many Chocolates they eat in a day. Here are the results:
What is the probability of the girls to eat more than 4 Chocolates in a day? | |
[2] |
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