Roll 42 6-sided dice.
How many times would you expect to get more than or equal to 4? | |
[1] | | You shoot an arrow at a target. There is a 50% chance of scoring a 20, a 30% 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] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting less than or equal to 5? | |
[1] | We asked a group of people how many Bananas they eat in a month. Here are the results:
What fraction of the people eat exactly 2 Bananas in a month? | |
[2] |
We asked a group of boys how many Oranges they eat in a week. Here are the results:
What is the probability of the boys to eat more than 2 Oranges in a week? | |
[2] | Flip a coin 6 times.
How many times would you expect to get Heads? | |
[1] |
A bag has 6 balls with numbers from 3 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 6? | |
[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 | 0.15 | 0.25 | 0.15 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 4? | |
[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 bigger than 4 or smaller than 5? | |
[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 1? | |
[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 | 0.2 | 0.05 | 0.1 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 4? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.1 | 0.1 | | green | purple | blue | | Color |
How many blue balls were in the bag? | |
[1] |
There are 6 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | The weather forecast says that the chances of rain are 70%. Your chance of being outside today is 60%. The chance of remembering your umbrella is 70%.
What is the probability of getting wet today? | |
[1] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 20, a 40% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | The weather forecast says that the chances of rain are 70%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 80%.
What is the probability of getting wet today? | |
[1] |
Roll 54 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | A wheel has 7 red sections and 5 yellow sections.
What is the probability of getting red? | |
[1] |
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