A bag has 5 red balls, 5 green balls and 6 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] | A wheel has 2 red sections and 7 blue sections.
What is the probability of getting red? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in less than 15s?
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[2] | There are 2 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
Roll 66 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | Flip 2 coins.
What is the probability of getting 2 heads? | |
[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 5? | |
[2] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.4 | 0.3 | | orange | green | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being green or blue? | |
[1] |
We asked a group of boys how many Hot dogs they eat in a day. Here are the results:
What fraction of the boys eat more than 1 Hot dogs in a day? | |
[2] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 10 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | The chances of feeling like icecream are 50%. The chances of being near an icecream store are 80%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (20% chance), 40 (30% chance), or 50. 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:
| | 0.45 | | 0.15 | 0.2 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 4 or 5? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | blue | purple | | Color |
Probability of Type
| | 0.6 | 0.4 | | wagon | sedan | | Type |
What is the probability of a car being a blue sedan? | |
[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:
| | 0.1 | 0.1 | 0.05 | 0.2 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 3? | |
[1] |
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