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 | 0.2 | 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] | Roll 2 6-sided dice.
You add the two numbers. What is the probability of getting 12? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | purple | red | | Color |
Probability of Type
| | 0.1 | 0.9 | | sedan | wagon | | Type |
What is the probability of a car being a red wagon? | |
[2] | A wheel has 13 sections, each a number on it from 1 to 13. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 4 or a 2 and a head? | |
[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 | 0.2 | 0.05 | | 0.6 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.3 | 0.3 | | yellow | purple | green | | Color |
If you choose a random ball from the bag, what is the probability of it being green or purple? | |
[1] | Flip a coin 18 times.
Each time a head comes up you win $2 and with each tail you lose $2. How much money would you expect to make altogether? | |
[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 | 0.15 | 0.05 | 0.15 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 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:
| | 0.65 | | 0.25 | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] |
A bag has 3 red balls and 4 blue balls. You take out 1 ball.
What is the probability of getting a blue ball? | |
[1] | Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[1] |
There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.4 | 0.5 | | blue | green | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being blue? | |
[1] | | A bag has 9 balls with number 4 and 3 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Roll 108 6-sided dice.
How many times would you expect to get less than or equal to 2? | |
[1] | Roll 42 6-sided dice.
How many times would you expect to get an odd number? | |
[1] |
A bag has 6 balls with numbers from 2 to 7. You take out 1 ball.
What is the probability of getting the ball with the number 6? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score more than 1? | |
[2] |
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