A bag has 10 balls with numbers from 1 to 10. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 1? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | red | orange | | Color |
Probability of Type
| | 0.1 | 0.9 | | wagon | sedan | | 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:
| | 0.25 | 0.1 | 0.05 | 0.15 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] | A bag has 4 balls with numbers from 5 to 8. You take out 1 ball.
What is the probability of NOT getting the ball with the number 8? | |
[1] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 10 and a 20% chance of scoring a 30 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 9 red balls, 8 green balls and 2 blue balls. You take out 1 ball.
What is the probability of NOT getting a red ball? | |
[1] |
We asked a group of boys how many Strawberries they eat in a week. Here are the results:
What fraction of the boys eat less than 1 Strawberries in a week? | |
[2] | A group of people did a math test and here are their scores out of 5:
What fraction of the people score less than 1? | |
[2] |
There are 48 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[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 exactly 5? | |
[2] |
We asked a group of boys how many Strawberries they eat in a day. Here are the results:
What is the probability of the boys to eat exactly 0 Strawberries in a day? | |
[2] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.2 | 0.7 | | pink | blue | purple | | Color |
How many blue balls were in the bag? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | | 0.6 | | yellow | orange | green | | Color |
How many yellow balls were in the bag? | |
[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:
| | 0.45 | 0.15 | | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1? | |
[1] |
A wheel has 14 sections, each has a reward in dollars, from $1 through to $14.
What prize do we expect to get if we spin the wheel? | |
[1] |