Flip a coin 6 times.
How many times would you expect to get Tails? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | green | purple | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] |
A bag has 8 red balls and 8 blue balls. You take out a blue ball, then a blue ball, then another ball.
What is the probability of getting blue 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:
| | 0.55 | 0.1 | 0.2 | 0.15 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 1? | |
[1] |
| You shoot an arrow at a target. There is a 70% chance of scoring a 30 and a 30% chance of scoring a 60. 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:
What is the probability of rolling a number that is smaller than 2? | |
[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 less than 3? | |
[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:
| | 0.25 | 0.15 | 0.25 | 0.15 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 4? | |
[1] |
We asked a group of dogs how many Pillows they eat in a month. Here are the results:
What is the probability of the dogs to eat less than 2 Pillows in a month? | |
[2] | There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.9 | | 0.1 | | purple | orange | red | | Color |
How many red balls were in the bag? | |
[1] |
A wheel has 7 sections, each has a reward in dollars, from $1 through to $7.
What prize do we expect to get if we spin the wheel? | |
[1] | We asked a group of people how many Chocolates they eat in a month. Here are the results:
What fraction of the people eat less than 1 Chocolates in a month? | |
[2] |
We asked a group of dogs how many Popsicles they eat in a month. Here are the results:
What is the probability of the dogs to eat exactly 0 Popsicles in a month? | |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | purple | blue | orange | | Color |
How many orange balls were in the bag? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than or equal to 6? | |
[1] |