You flip a coin and roll a 6 sided die.
What is the probability of getting a number less than 4 and a head? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.1 | 0.9 | | blue | purple | | Color |
Probability of Type
| | 0.1 | 0.9 | | sedan | wagon | | Type |
What is the probability of a car being a blue 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:
| | 0.05 | | 0.25 | 0.15 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 4? | |
[1] |
| You shoot an arrow at a target. You will either score 20 (40% chance), 40 (30% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | We asked a group of kids how many Bowls of Ramen they eat in a month. Here are the results:
What fraction of the kids eat exactly 4 Bowls of Ramen in a month? | |
[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 3? | |
[1] | | A bag has 6 balls with number 2 and 4 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
We asked a group of boys how many Bowls of Ramen they eat in a day. Here are the results:
| Bowls of Ramen | boys | | 0 | 5 | | 1 | 5 | | 2 | 0 | | 3 | 3 |
What is the probability of the boys to eat more than 3 Bowls of Ramen in a day? | |
[2] | There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.2 | 0.2 | | pink | red | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink? | |
[1] |
Roll 120 6-sided dice.
How many times would you expect to get an even number? | |
[1] | Roll 120 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
Flip a coin 14 times.
Each time a Head comes up you win $2. How much money would you expect to make altogether? | |
[1] | The chances of feeling like icecream are 70%. The chances of being near an icecream store are 90%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.9 | | purple | green | orange | | Color |
How many green balls were in the bag? | |
[1] | We asked a group of humans how many Pizzas they eat in a week. Here are the results:
What fraction of the humans eat exactly 4 Pizzas in a week? | |
[2] |
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