We asked a group of boys how many Bananas they eat in a month. Here are the results:
What fraction of the boys eat more than 2 Bananas in a month? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | pink | red | | Color |
Probability of Type
| | 0.1 | 0.9 | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[2] |
Roll 84 6-sided dice.
How many times would you expect to get anything except 5? | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.4 | 0.5 | | blue | orange | green | | Color |
If you choose a random ball from the bag, what is the probability of it not being green or blue? | |
[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:
| | 0.1 | 0.1 | 0.05 | 0.1 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | A bag has 3 red balls, 9 blue balls and 3 yellow balls. You take out a yellow ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[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:
| | 0.5 | 0.15 | 0.15 | 0.2 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 4 or 5? | |
[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:
| | 0.3 | 0.25 | 0.15 | 0.15 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 5? | |
[1] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | blue | orange | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow or orange? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are more than 3? | |
[1] | The weather forecast says that the chances of rain are 90%. Your chance of being outside today is 60%. The chance of remembering your umbrella is 70%.
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:
| | 0.3 | 0.2 | 0.1 | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 2? | |
[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:
| | 0.6 | 0.15 | 0.05 | 0.15 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 5? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] | A bag has 3 balls with number 5 and 8 balls with a number 5. You take out 1 ball.
What is the probability of getting the ball with the number 5? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | pink | orange | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a pink wagon? | |
[2] |