| You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 30% 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 3 orange sections and 6 purple sections.
What is the probability of getting orange? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What is the probability of the girls to run 100m in exactly 15s?
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[2] | We asked a group of boys how many Peaches they eat in a week. Here are the results:
What is the probability of the boys to eat less than 4 Peaches in a week? | |
[2] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in more than 16s?
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[2] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score more than 4? | |
[2] |
Flip a coin 8 times.
Each time a head comes up you win $4 and with each tail you lose $2. It costs $12 to play (paid once). How much money would you expect to make altogether? | |
[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:
| | 0.6 | 0.1 | 0.05 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 4? | |
[1] |
A group of kids did a math test and here are their scores out of 5:
What fraction of the kids score exactly 0? | |
[2] | We asked a group of humans how many Pizzas they eat in a week. Here are the results:
What is the probability of the humans to eat less than 1 Pizzas in a week? | |
[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 or equal to 4? | |
[1] | A bag has 2 red balls and 9 blue balls. You take out 1 red ball, then another ball.
What is the probability of getting blue for the second ball? | |
[1] |
A bag has 7 red balls and 4 blue balls. You take out a red ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[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 | 0.25 | 0.25 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 2? | |
[1] |
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