Flip a coin 16 times.
Each time a head comes up you win $1 and with each tail you lose $3. It costs $1 to play (paid once). How much money would you expect to make altogether? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get anything except 3? | |
[1] |
We asked a group of people how many Burgers they eat in a day. Here are the results:
What is the probability of the people to eat more than 2 Burgers in a day? | |
[2] | A group of dogs were timed running 100m. Here are the results:
What is the probability of the dogs to run 100m in less than 16s?
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[2] |
A bag has 2 balls with numbers from 3 to 4. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4? | |
[1] | | A bag has 6 balls with number 1 and 2 balls with a number 5. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Flip 7 coins.
What is the probability of getting 7 heads? | |
[1] | Roll 18 6-sided dice.
How many times would you expect to get less than or equal to 5? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score less than 3? | |
[2] | A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 0 | | 14 | 2 | | 15 | 1 | | 16 | 1 | | 17 | 4 |
What is the probability of the humans to run 100m in more than 16s?
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[2] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 4 or a 1 and a head? | |
[1] | The chances of feeling like icecream are 50%. The chances of being near an icecream store are 40%. There is a 30% chance that you lost all your money.
What is the probability of having icecream? | |
[1] |
A bag has 10 red balls, 4 blue balls and 4 yellow 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] | The weather forecast says that the chances of rain are 80%. Your chance of being outside today is 80%. The chance of remembering your umbrella is 60%.
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
| | 0.6 | 0.4 | | green | orange | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a orange sedan? | |
[2] |