A bag has 10 red balls and 6 blue balls. You take out 1 blue ball, then another ball.
What is the probability of getting blue for the second ball? | |
[1] | The chances of feeling like icecream are 70%. 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 wheel has 8 green sections and 2 pink sections.
What is the probability of getting green? | |
[1] | Roll 48 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
You roll a 6 sided die and a 9 sided die.
What is the probability of getting 6 on both dice? | |
[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:
| | 0.05 | 0.05 | | 0.15 | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 3 and smaller than 4? | |
[1] |
A bag has 10 balls with numbers from 2 to 11. You take out 1 ball.
What is the probability of NOT getting the ball with the number 11? | |
[1] | A wheel has 2 blue sections and 5 green sections.
What is the probability of getting green? | |
[1] |
You roll a 3 sided die and a 7 sided die.
What is the probability of getting 1 on both dice? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | green | orange | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a green sedan? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | yellow | green | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] | | You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 20% chance of scoring a 40 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score more than 0? | |
[2] | | You shoot an arrow at a target. There is a 20% chance of scoring a 10 and a 10% chance of scoring a 30 and a 70% 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:
What is the probability of rolling a number that is bigger than 4 and smaller than 1? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.1 | 0.7 | | purple | blue | green | | Color |
How many purple 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:
What is the probability of rolling a number that is bigger than 1 and smaller than 2? | |
[1] |