Roll 42 6-sided dice. How many times would you expect to get less than or equal to 4? | |
[1] | | A bag has 6 balls with number 1 and 7 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Roll 108 6-sided dice. How many times would you expect to get a number less than 1? | |
[1] | Flip a coin 2 times. Each time a Tail comes up you win $2. It costs $4 to play (paid once). How much money would you expect to make altogether? | |
[1] |
Roll 126 6-sided dice. How many times would you expect to get more than 5? | |
[1] | You flip a coin and roll a 3 sided die. What is the probability of getting a 5 and a head? | |
[1] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in more than 16s?
| |
[2] | We asked a group of people how many Icecreams they eat in a week. Here are the results:
What fraction of the people eat more than 2 Icecreams in a week? | |
[2] |
A wheel has 11 sections, each a number on it from 1 to 11. If you spin an even number you win that amount of dollars, if you spin an odd number you lose. What prize do we expect to get if we spin the wheel? | |
[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 5 and smaller than 2? | |
[1] |
A group of humans were timed running 100m. Here are the results:
| Time | humans | | 13 | 3 | | 14 | 6 | | 15 | 5 | | 16 | 4 | | 17 | 1 |
What fraction of the humans run 100m in exactly 17s?
| |
[2] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.7 | | blue | orange | pink | | Color |
How many orange balls were in the bag? | |
[1] |
A group of people were timed running 100m. Here are the results:
What fraction of the people run 100m in exactly 17s?
| |
[2] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.2 | 0.5 | | red | blue | orange | | Color |
How many orange balls were in the bag? | |
[1] |
A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score less than 0? | |
[2] |