A wheel has 7 sections, each a number on it from 1 to 7. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | We asked a group of humans how many Burgers they eat in a week. Here are the results:
What is the probability of the humans to eat less than 2 Burgers in a week? | |
[2] |
A bag has 6 balls with numbers from 4 to 9. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 5? | |
[1] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in exactly 14s?
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[2] |
A bag has 10 red balls, 2 green balls and 7 blue balls. You take out 1 ball.
What is the probability of getting a red ball? | |
[1] | There are 30 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 pink? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in less than 14s?
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[2] | | You shoot an arrow at a target. There is a 60% chance of scoring a 20, a 20% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
We asked a group of kids how many Apples they eat in a week. Here are the results:
What fraction of the kids eat less than 4 Apples in a week? | |
[2] | | You shoot an arrow at a target. There is a 30% chance of scoring a 10 and a 40% chance of scoring a 30 and a 30% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 5 and a tail? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score more than 2? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | blue | orange | | Color |
Probability of Type
| | 0.9 | 0.1 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] | There are 14 balls in a bag. This is is the probability distribution of their color:
How many blue balls were in the bag? | |
[1] |
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