Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | green | orange | | Color |
Probability of Type
| | 0.2 | 0.8 | | wagon | sedan | | Type |
What is the probability of a car being a green sedan? | |
[2] | A wheel has 12 sections, each has a reward in dollars, from $1 through to $12.
What prize do we expect to get if we spin the wheel? | |
[1] |
The weather forecast says that the chances of rain are 60%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 60%.
What is the probability of getting wet today? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 10 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 3 balls with number 5 and 6 balls with a number 9. You take out 1 ball.
What is the probability of getting the ball with the number 5? | |
[1] | Roll 48 6-sided dice.
How many times would you expect to get anything except 6? | |
[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 that is smaller than or equal to 4? | |
[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 more than 2? | |
[2] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in less than 15s?
| |
[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 exactly 1? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | yellow | blue | | Color |
Probability of Type
| | 0.6 | 0.4 | | sedan | wagon | | Type |
What is the probability of a car being a blue wagon? | |
[2] | You flip a coin and roll a 9 sided die.
What is the probability of getting a 3 and a tail? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than 5? | |
[1] | The weather forecast says that the chances of rain are 60%. Your chance of being outside today is 90%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[1] |
Roll 150 6-sided dice.
How many times would you expect to get less than or equal to 6? | |
[1] |