A bag has 6 balls with numbers from 3 to 8. You take out 1 ball.
What is the probability of NOT getting the ball with the number 2? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 20, a 20% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 20, a 40% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[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 less than 5? | |
[2] |
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 3? | |
[2] | A bag has 5 balls with numbers from 3 to 7. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 5? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | | 0.4 | | pink | yellow | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow or pink? | |
[1] | A bag has 7 balls with numbers from 4 to 10. You take out 1 ball.
What is the probability of NOT getting the ball with the number 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:
| | 0.05 | 0.25 | 0.25 | 0.2 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 4? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | green | yellow | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a green sedan? | |
[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:
| | 0.3 | 0.25 | 0.15 | 0.2 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 2? | |
[1] | The weather forecast says that the chances of rain are 70%. Your chance of being outside today is 40%. The chance of remembering your umbrella is 60%.
What is the probability of getting wet today? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 14s?
| |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.6 | 0.4 | | purple | pink | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a pink sedan? | |
[2] |
A bag has 9 red balls and 9 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |