Flip a coin 10 times. Each time a Tail comes up you win $2. How much money would you expect to make altogether? | |
[1] | Roll 72 6-sided dice. How many times would you expect to get anything except 6? | |
[1] |
There are 2 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[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 or equal to 2? | |
[1] |
Roll 150 6-sided dice. How many times would you expect to get a number more than 6? | |
[1] | There are 100 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being pink? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What is the probability of the boys to run 100m in exactly 14s?
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[2] | We asked a group of dogs how many Oranges they eat in a day. Here are the results:
What fraction of the dogs eat exactly 3 Oranges in a day? | |
[2] |
There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.75 | 0.25 | | orange | purple | | Color |
How many purple balls were in the bag? | |
[1] | Flip 2 coins. What is the probability of getting a head and a tail? | |
[1] |
A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score more than 3? | |
[2] | We asked a group of boys how many Bowls of Ramen they eat in a week. Here are the results:
| Bowls of Ramen | boys | | 0 | 3 | | 1 | 4 | | 2 | 0 | | 3 | 2 |
What is the probability of the boys to eat less than 1 Bowls of Ramen in a week? | |
[2] |
Flip a coin 12 times. Each time a head comes up you win $1 and with each tail you lose $4. How much money would you expect to make altogether? | |
[1] | The weather forecast says that the chances of rain are 70%. Your chance of being outside today is 90%. The chance of remembering your umbrella is 40%. What is the probability of getting wet today? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | green | pink | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a pink wagon? | |
[2] |