A group of humans were timed running 100m. Here are the results:
What fraction of the humans run 100m in exactly 15s?
| |
[2] | Roll 114 6-sided dice.
How many times would you expect to get anything except 2? | |
[1] |
Flip a coin 10 times.
Each time a Head comes up you win $1. How much money would you expect to make altogether? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 4 or a 1 and a tail? | |
[1] |
A wheel has 9 sections, each a number on it from 1 to 9. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | You roll 2 3-sided dice
You add the two numbers. What is the probability of getting exactly 2? | |
[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:
| | 0.15 | 0.15 | 0.25 | 0.1 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 1? | |
[1] | Roll 2 6-sided dice.
You add the two numbers. What is the probability of getting 12? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 20 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | We asked a group of boys how many Hot dogs they eat in a day. Here are the results:
What is the probability of the boys to eat less than 2 Hot dogs in a day? | |
[2] |
A bag has 5 balls with numbers from 1 to 5. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 6? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 10, a 20% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
| You shoot an arrow at a target. You will either score 20 (30% chance), 30 (20% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.5 | | red | yellow | purple | | Color |
How many red balls were in the bag? | |
[1] |
Roll 12 6-sided dice.
How many times would you expect to get more than 3? | |
[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 smaller than 3? | |
[1] |
| A bag has 3 balls with number 9 and 3 balls with a number 1. What will be the average of the numbers of the balls taken out of 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 2 and smaller than 4? | |
[1] |
|