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] | A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 17s?
| |
[2] |
A bag has 9 red balls, 8 green balls and 3 blue balls. You take out 1 ball.
What is the probability of NOT getting a red ball? | |
[1] | Roll 126 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
A bag has 9 red balls, 4 blue balls and 9 yellow balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting yellow for the last ball? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 6? | |
[1] |
The chances of feeling like icecream are 80%. The chances of being near an icecream store are 60%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | | You shoot an arrow at a target. You will either score 10 (10% chance), 30 (10% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] |
Roll 138 6-sided dice.
How many times would you expect to get less than or equal to 6? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score less than 3? | |
[2] |
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:
| | 0.3 | 0.2 | 0.25 | | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3? | |
[1] | A wheel has 7 sections, each has a reward in dollars, from $1 through to $7.
What prize do we expect to get if we spin the wheel? | |
[1] |
A wheel has 5 yellow sections and 7 pink sections.
What is the probability of getting yellow? | |
[1] | The weather forecast says that the chances of rain are 20%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 80%.
What is the probability of getting wet today? | |
[1] |
Roll 36 6-sided dice.
How many times would you expect to get an even number? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | pink | purple | | Color |
Probability of Type
| | 0.6 | 0.4 | | wagon | sedan | | Type |
What is the probability of a car being a purple wagon? | |
[2] |
|