Roll 18 6-sided dice.
How many times would you expect to get less than or equal to 5? | |
[1] | The chances of feeling like icecream are 80%. The chances of being near an icecream store are 40%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
Flip a coin 12 times.
How many times would you expect to get Tails? | |
[1] | | You shoot an arrow at a target. There is a 30% chance of scoring a 20 and a 20% chance of scoring a 40 and a 50% chance of scoring a 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:
| | 0.15 | 0.2 | 0.2 | 0.25 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 and smaller than 5? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.5 | 0.1 | | purple | green | pink | | Color |
How many green balls were in the bag? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score more than 0? | |
[2] | Roll 1 6-sided die.
What is the probability of getting a 5? | |
[1] |
Roll 96 6-sided dice.
How many times would you expect to get more than or equal to 4? | |
[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] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 20, a 30% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.4 | 0.6 | | orange | blue | | Color |
Probability of Type
| | 0.7 | 0.3 | | wagon | sedan | | Type |
What is the probability of a car being a blue sedan? | |
[2] |
A wheel has 8 sections, each a number on it from 1 to 8. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | Flip 7 coins.
What is the probability of getting 7 heads? | |
[1] |
A bag has 8 red balls, 4 blue balls and 6 yellow balls. You take out a yellow ball, then a red ball, then another ball.
What is the probability of getting yellow for the last ball? | |
[1] | We asked a group of girls how many Pizzas they eat in a day. Here are the results:
What fraction of the girls eat exactly 3 Pizzas in a day? | |
[2] |
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