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 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:
| | 0.15 | 0.25 | 0.15 | | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 1? | |
[1] |
A bag has 3 balls with numbers from 5 to 7. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 7? | |
[1] | A bag has 6 red balls, 10 blue balls and 2 yellow balls. You take out a red ball, then a yellow ball, then another ball.
What is the probability of getting yellow for the last ball? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 30, a 40% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | A bag has 10 red balls, 6 blue balls and 7 yellow balls. You take out a red ball, then a yellow ball, then another ball.
What is the probability of getting yellow 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:
| | 0.4 | 0.15 | 0.1 | 0.2 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 1? | |
[1] | A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score more than 4? | |
[2] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.9 | | 0.1 | | blue | yellow | pink | | Color |
How many yellow balls were in the bag? | |
[1] | The chances of feeling like icecream are 90%. The chances of being near an icecream store are 40%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
A bag has 6 balls with numbers from 4 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 10? | |
[1] | A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score less than 1? | |
[2] |
| A bag has 7 balls with number 7 and 5 balls with a number 6. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Roll 96 6-sided dice.
How many times would you expect to get a number less than 5? | |
[1] |
Roll 1 6-sided die.
What is the probability of getting an even number? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 30% chance of scoring a 40 and a 30% chance of scoring a 60. 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 fraction of the kids score exactly 5? | |
[2] |