There are 50 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | There are 15 balls in a bag. This is is the probability distribution of their 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:
| | 0.15 | 0.05 | 0.1 | 0.15 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[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 4? | |
[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:
| | 0.55 | | 0.25 | 0.15 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 4 or 5? | |
[1] |
| You shoot an arrow at a target. There is a 20% chance of scoring a 20 and a 20% chance of scoring a 30 and a 60% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | A bag has 3 red balls and 2 blue balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] |
A bag has 7 red balls and 7 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | Roll 138 6-sided dice.
How many times would you expect to get more than 3? | |
[1] |
A wheel has 3 purple sections and 4 red sections.
What is the probability of getting purple? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.2 | 0.3 | | purple | pink | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or purple? | |
[1] |
A bag has 2 red balls and 4 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a number less than 1 and a tail? | |
[1] |
There are 45 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being green or blue? | |
[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] | An obstacle course has 1 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
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