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 3? | |
[1] | The chances of feeling like icecream are 50%. The chances of being near an icecream store are 90%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | green | purple | | Color |
Probability of Type
| | 0.1 | 0.9 | | wagon | sedan | | Type |
What is the probability of a car being a purple wagon? | |
[2] | There are 40 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 not being red or pink? | |
[1] |
A bag has 10 balls with numbers from 1 to 10. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 11? | |
[1] | | You shoot an arrow at a target. There is a 50% chance of scoring a 10, a 40% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
A wheel has 12 sections, each has a reward in dollars, from $1 through to $12.
What prize do we expect to get if we spin the wheel? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score less than 2? | |
[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:
What is the probability of rolling a number that is bigger than 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:
| | 0.05 | 0.05 | 0.15 | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
A bag has 10 red balls, 8 green balls and 9 blue balls. You take out 1 ball.
What is the probability of getting a blue ball? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What fraction of the boys 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:
What is the probability of rolling a number that is smaller than 2? | |
[1] | You flip a coin and roll a 8 sided die.
What is the probability of getting a 2 and a tail? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | green | pink | | Color |
Probability of Type
| | 0.4 | 0.6 | | sedan | wagon | | Type |
What is the probability of a car being a green sedan? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
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