Flip a coin 2 times.
Each time a Head comes up you win $1. 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:
| | 0.2 | 0.05 | 0.05 | 0.7 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 3? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.6 | 0.4 | | blue | orange | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a orange wagon? | |
[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:
| | 0.5 | 0.1 | | 0.25 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[1] |
We asked a group of dogs how many Pizzas they eat in a month. Here are the results:
What is the probability of the dogs to eat exactly 0 Pizzas in a month? | |
[2] | Flip a coin 18 times.
Each time a head comes up you win $2 and with each tail you lose $2. It costs $15 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:
| | 0.15 | 0.2 | 0.1 | 0.1 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 3? | |
[1] | There are 15 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are odd? | |
[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:
| | 0.25 | 0.1 | 0.05 | 0.1 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (10% chance), 30 (20% chance), or 60. 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
| | 1 | | purple | yellow | | Color |
Probability of Type
| | 0.8 | 0.2 | | sedan | wagon | | Type |
What is the probability of a car being a purple wagon? | |
[2] |
A bag has 10 red balls, 4 blue balls and 10 yellow balls. You take out a yellow ball, then a yellow ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score less than 0? | |
[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 orange? | |
[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 | | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 1? | |
[1] |
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