| You shoot an arrow at a target. You will either score 20 (50% chance), 30 (40% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | | A bag has 3 balls with number 1 and 7 balls with a number 1. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Flip 3 coins.
What is the probability of getting 3 heads? | |
[1] | The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 50%.
What is the probability of getting wet today? | |
[1] |
The chances of feeling like icecream are 80%. The chances of being near an icecream store are 50%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[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:
What is the probability of rolling a number from 4 to 5? | |
[1] |
Roll a die 102 times.
How many times would you expect to get a 3? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score less than 3? | |
[2] |
A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score less than 0? | |
[2] | Flip a coin 6 times.
Each time a Tail comes up you win $4. It costs $10 to play (paid once). How much money would you expect to make altogether? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it not being purple or red? | |
[1] |
We asked a group of kids how many Icecreams they eat in a week. Here are the results:
What is the probability of the kids to eat less than 0 Icecreams in a week? | |
[2] | A wheel has 10 sections, each with a different reward.
What is the probability of getting a Gummy Bear? | |
[1] |
A bag has 8 red balls, 5 blue balls and 10 yellow balls. You take out a blue 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 4? | |
[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:
| | 0.55 | | 0.2 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 2 to 4? | |
[1] |