A bag has 7 balls with numbers from 1 to 7. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a number more than 1 and a tail? | |
[1] |
| A bag has 2 balls with number 3 and 7 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] | There are 4 balls in a bag. This is is the probability distribution of their color:
| | 0.75 | 0.25 | | yellow | orange | | Color |
How many yellow balls were in the bag? | |
[1] |
We asked a group of humans how many Apples they eat in a day. Here are the results:
What fraction of the humans eat less than 0 Apples in a day? | |
[2] | We asked a group of girls how many Popsicles they eat in a month. Here are the results:
What fraction of the girls eat exactly 1 Popsicles in a month? | |
[2] |
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 exactly 0? | |
[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] |
Roll 1 6-sided die.
What is the probability of getting an odd number? | |
[1] | Roll 138 6-sided dice.
How many times would you expect to get less than or equal to 5? | |
[1] |
Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are less than 3? | |
[1] | A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in exactly 16s?
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[2] |
Flip a coin 18 times.
Each time a head comes up you win $3 and with each tail you lose $4. It costs $36 to play (paid once). How much money would you expect to make altogether? | |
[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 1 and smaller than 2? | |
[1] |
The weather forecast says that the chances of rain are 90%. The chance of remembering your umbrella is 60%. Your chance of being outside today are 40%.
What is the probability of getting wet today? | |
[1] | There are 24 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
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