Roll 72 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | You roll a 3 sided die and a 9 sided die.
What is the probability of getting 1 on both dice? | |
[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 from 1 to 5? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting a 3 on both dice? | |
[1] |
Roll 1 6-sided die.
What is the probability of getting a number bigger than 4? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | yellow | purple | blue | | Color |
If you choose a random ball from the bag, what is the probability of it not being yellow? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a number less than 6 and a tail? | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.3 | 0.5 | | blue | pink | yellow | | Color |
How many pink balls were in the bag? | |
[1] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 10, a 50% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | A wheel has 6 pink sections and 5 green sections.
What is the probability of getting green? | |
[1] |
The weather forecast says that the chances of rain are 30%. Your chance of being outside today is 70%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] | We asked a group of kids how many Bananas they eat in a week. Here are the results:
What is the probability of the kids to eat exactly 2 Bananas in a week? | |
[2] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | purple | red | yellow | | Color |
How many purple balls were in the bag? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score more than 0? | |
[2] |
A bag has 3 red balls and 3 blue balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | A bag has 6 balls with numbers from 1 to 6. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 4? | |
[1] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 1 or a 6 and a head? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | red | yellow | purple | | Color |
How many purple balls were in the bag? | |
[1] |
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