We asked a group of girls how many Oranges they eat in a month. Here are the results:
What is the probability of the girls to eat more than 4 Oranges in a month? | |
[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:
| | 0.4 | | 0.2 | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 3? | |
[1] |
Roll 102 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] | Flip a coin 18 times.
Each time a Head comes up you win $4. It costs $20 to play (paid once). How much money would you expect to make altogether? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in less than 13s?
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[2] | Flip 3 coins.
What is the probability of getting 3 heads? | |
[1] |
The weather forecast says that the chances of rain are 40%. Your chance of being outside today is 90%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[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 4? | |
[2] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | blue | green | purple | | Color |
If you choose a random ball from the bag, what is the probability of it being blue or green? | |
[1] | Flip a coin 10 times.
Each time a head comes up you win $1 and with each tail you lose $3. It costs $20 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:
| | 0.7 | 0.1 | 0.2 | | red | pink | orange | | Color |
If you choose a random ball from the bag, what is the probability of it being pink or orange? | |
[1] | | You shoot an arrow at a target. There is a 70% chance of scoring a 30 and a 30% chance of scoring a 40. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 6 balls with number 3 and 8 balls with a number 8. You take out 1 ball.
What is the probability of getting the ball with the number 8? | |
[1] | | A bag has 2 balls with number 8 and 2 balls with a number 5. What will be the average of the numbers of the balls taken out of the bag | |
[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 4? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | orange | purple | red | | Color |
How many orange balls were in the bag? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 4? | |
[1] |