Roll 78 6-sided dice.
How many times would you expect to get more than or equal to 4? | |
[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 | 0.1 | 0.1 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 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:
| | 0.1 | | 0.15 | 0.15 | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 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:
| | 0.2 | 0.25 | 0.15 | 0.25 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 2 or 3? | |
[1] |
| You shoot an arrow at a target. There is a 30% chance of scoring a 20 and a 20% chance of scoring a 30 and a 50% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[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:
| | 0.65 | 0.05 | 0.05 | 0.1 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 2? | |
[1] |
| You shoot an arrow at a target. There is a 20% chance of scoring a 20 and a 20% chance of scoring a 40 and a 60% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a number less than 3 and a tail? | |
[1] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | | 0.5 | | pink | yellow | orange | | Color |
How many pink balls were in the bag? | |
[1] | We asked a group of boys how many Pillows they eat in a month. Here are the results:
What fraction of the boys eat exactly 1 Pillows in a month? | |
[2] |
A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score exactly 4? | |
[2] | A wheel has 11 sections, each a number on it from 1 to 11. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
A wheel has 2 blue sections and 6 pink sections.
What is the probability of getting blue? | |
[1] | The weather forecast says that the chances of rain are 60%. Your chance of being outside today is 40%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[1] |
A bag has 3 red balls and 3 blue balls. You take out 1 blue ball, then another ball.
What is the probability of getting red for the second ball? | |
[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 less than 4? | |
[2] |
A bag has 6 balls with numbers from 1 to 6. You take out 1 ball.
What is the probability of getting a ball with a number more than 2? | |
[1] |