The chances of feeling like icecream are 80%. The chances of being near an icecream store are 90%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[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:
| | 0.6 | 0.1 | 0.05 | 0.05 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 3? | |
[1] |
The weather forecast says that the chances of rain are 60%. The chance of remembering your umbrella is 70%. Your chance of being outside today are 50%.
What is the probability of getting wet today? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What fraction of the boys score exactly 3? | |
[2] |
There are 80 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.3 | 0.4 | | yellow | red | blue | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are more than 3? | |
[1] |
| A bag has 4 balls with number 7 and 7 balls with a number 4. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Roll 60 6-sided dice.
How many times would you expect to get anything except 1? | |
[1] |
We asked a group of people how many Bananas they eat in a day. Here are the results:
What is the probability of the people to eat exactly 1 Bananas in a day? | |
[2] | You flip a coin and roll a 6 sided die.
What is the probability of getting a number equal to 6 and a tail? | |
[1] |
A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score more than 2? | |
[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:
| | 0.2 | 0.05 | 0.05 | 0.7 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 5? | |
[1] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 20, a 30% 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] | Roll 6 6-sided dice.
How many times would you expect to get more than 3? | |
[1] |
Flip a coin 18 times.
Each time a Head comes up you win $2. It costs $25 to play (paid once). How much money would you expect to make altogether? | |
[1] | We asked a group of girls how many Burgers they eat in a month. Here are the results:
What is the probability of the girls to eat more than 4 Burgers in a month? | |
[2] |
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