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 more than 2? | |
[2] | A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score more than 1? | |
[2] |
A wheel has 13 sections, each with a different reward.
What is the probability of getting a Pocky? | |
[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] |
There are 18 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | We asked a group of boys how many Strawberries they eat in a day. Here are the results:
What is the probability of the boys to eat less than 2 Strawberries in a day? | |
[2] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | red | purple | green | | Color |
How many red balls were in the bag? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score exactly 2? | |
[2] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 17s?
| |
[2] | | You shoot an arrow at a target. There is a 70% chance of scoring a 10 and a 30% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 9 red balls and 2 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | | You shoot an arrow at a target. There is a 90% chance of scoring a 10 and a 10% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] |
Flip a coin 14 times.
Each time a head comes up you win $4 and with each tail you lose $1. It costs $27 to play (paid once). How much money would you expect to make altogether? | |
[1] | | You shoot an arrow at a target. There is a 70% chance of scoring a 30 and a 30% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
Roll a die 6 times.
How many times would you expect to get a 6? | |
[1] |