A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score more than 3? | |
[2] | There are 2 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
The weather forecast says that the chances of rain are 60%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 60%.
What is the probability of getting wet today? | |
[1] | | You shoot an arrow at a target. There is a 20% chance of scoring a 10 and a 40% chance of scoring a 30 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
There are 80 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
A wheel has 8 blue sections and 5 orange sections.
What is the probability of getting blue? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are even? | |
[1] |
Flip 2 coins.
What is the probability of getting 2 tails? | |
[1] | A bag has 2 red balls and 3 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
You flip a coin and roll a 7 sided die.
What is the probability of getting a 6 and a tail? | |
[1] | A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 15s?
| |
[2] |
You flip a coin and roll a 8 sided die.
What is the probability of getting a 2 and a head? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 16s?
| |
[2] |
A bag has 3 red balls and 3 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | A bag has 2 red balls, 6 blue balls and 10 yellow balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
Flip 7 coins.
What is the probability of getting 7 heads? | |
[1] |