A bag has 7 red balls, 10 blue balls and 4 yellow balls. You take out a red ball, then a yellow ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | Roll 78 6-sided dice.
How many times would you expect to get an odd number? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | yellow | blue | | Color |
Probability of Type
| | 0.1 | 0.9 | | sedan | wagon | | Type |
What is the probability of a car being a blue wagon? | |
[2] | | You shoot an arrow at a target. You will either score 10 (30% chance), 30 (30% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] |
Roll 84 6-sided dice.
How many times would you expect to get less than or equal to 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:
| | 0.25 | 0.1 | 0.05 | 0.05 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 1? | |
[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 4 or 5? | |
[1] | We asked a group of boys how many Chocolates they eat in a month. Here are the results:
What is the probability of the boys to eat more than 1 Chocolates in a month? | |
[2] |
We asked a group of people how many Popsicles they eat in a week. Here are the results:
What is the probability of the people to eat exactly 2 Popsicles in a week? | |
[2] | A bag has 6 balls with number 9 and 7 balls with a number 8. You take out 1 ball.
What is the probability of getting the ball with the number 8? | |
[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:
| | 0.55 | 0.15 | 0.1 | 0.1 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get less than or equal to 1? | |
[1] |
A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in exactly 17s?
| |
[2] | A group of boys did a math test and here are their scores out of 5:
What fraction of the boys score exactly 5? | |
[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:
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |