You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than 2? | |
[1] | We asked a group of kids how many Peaches they eat in a day. Here are the results:
What fraction of the kids eat exactly 4 Peaches in a day? | |
[2] |
Roll 12 6-sided dice.
How many times would you expect to get less than 5? | |
[1] | A bag has 2 balls with numbers from 3 to 4. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 4? | |
[1] |
Flip a coin 18 times.
Each time a head comes up you win $4 and with each tail you lose $1. It costs $23 to play (paid once). How much money would you expect to make altogether? | |
[1] | 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 13s?
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[2] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than or equal to 2? | |
[1] | You flip a coin and roll a 5 sided die.
What is the probability of getting a 6 and a tail? | |
[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 | 0.15 | | 0.1 | 0.15 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 1? | |
[1] | A wheel has 8 green sections and 7 yellow sections.
What is the probability of getting yellow? | |
[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:
| | 0.1 | 0.2 | 0.15 | 0.2 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 5? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get less than or equal to 2? | |
[1] |
A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 4? | |
[2] | Roll 36 6-sided dice.
How many times would you expect to get an odd number? | |
[1] |
Roll 126 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.1 | 0.5 | | yellow | blue | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being purple or yellow? | |
[1] |
An obstacle course has 1 Fences and 1 Ditches. You have a 50% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |