We asked a group of boys how many Popsicles they eat in a month. Here are the results:
What is the probability of the boys to eat exactly 0 Popsicles in a month? | |
[2] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are more than 3? | |
[1] |
A bag has 9 balls with numbers from 2 to 10. You take out 1 ball.
What is the probability of getting a ball with a number more than 8? | |
[1] | Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are odd? | |
[1] |
Flip a coin 8 times.
Each time a Head comes up you win $3. It costs $10 to play (paid once). How much money would you expect to make altogether? | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
| A bag has 4 balls with number 8 and 9 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 2 and a head? | |
[1] |
An obstacle course has 1 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | A group of kids did a math test and here are their scores out of 5:
What is the probability of the kids to score exactly 1? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | red | pink | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[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:
| | 0.55 | 0.2 | | 0.05 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 4 to 5? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | The weather forecast says that the chances of rain are 40%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[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:
| | 0.4 | 0.2 | 0.25 | | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 3? | |
[1] | A bag has 12 balls with numbers from 1 to 12. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 13? | |
[1] |
A wheel has 11 sections, each a number on it from 1 to 11. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |