Resources tagged with: Experimental probability
There are 47 NRICH Mathematical resources connected to Experimental probability, you may find related items under Probability.
Broad Topics > Probability > Experimental probability
Odds and Evens Made Fair
In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.
Who's the Winner?
When two closely matched teams play each other, what is the most likely result?
What Does Random Look Like?
Engage in a little mathematical detective work to see if you can spot the fakes.
The Car That Passes
What statements can you make about the car that passes the school gates at 11am on Monday? How will you come up with statements and test your ideas?
In the Playground
What can you say about the child who will be first on the playground tomorrow morning at breaktime in your school?
Mathsland National Lottery
Can you work out the probability of winning the Mathsland National Lottery?
Same Number!
If everyone in your class picked a number from 1 to 225, do you think any two people would pick the same number?
Last One Standing
Imagine a room full of people who keep flipping coins until they get a tail. Will anyone get six heads in a row?
Sociable Cards
Move your counters through this snake of cards and see how far you can go. Are you surprised by where you end up?
Probably a Code?
Is the regularity shown in this encoded message noise or structure?
Time to Evolve 2
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
Which Spinners?
Can you work out which spinners were used to generate the frequency charts?
Interactive Spinners
This interactivity invites you to make conjectures and explore probabilities of outcomes related to two independent events.
It's a Tie
Kaia is sure that her father has worn a particular tie twice a week in at least five of the last ten weeks, but her father disagrees. Who do you think is right?
Cosy Corner
Six balls are shaken. You win if at least one red ball ends in a corner. What is the probability of winning?
Two's Company
Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?
Flippin' Discs
Discs are flipped in the air. You win if all the faces show the same colour. What is the probability of winning?
The Twelve Pointed Star Game
Have a go at this game which involves throwing two dice and adding their totals. Where should you place your counters to be more likely to win?
Roll These Dice
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
Red or Black Spinner
A simple spinner that is equally likely to land on Red or Black. Useful if tossing a coin, dropping it, and rummaging about on the floor have lost their appeal. Needs a modern browser; if IE then at least version 9.
Investigating Epidemics
Simple models which help us to investigate how epidemics grow and die out.
Probably...
You'll need to work in a group for this problem. The idea is to decide, as a group, whether you agree or disagree with each statement.
Winning the Lottery
Find out about the lottery that is played in a far-away land. What is the chance of winning?
The Derren Brown Coin Flipping Scam
Calculate probabilities associated with the Derren Brown coin scam in which he flipped 10 heads in a row.
Dice & Spinners Interactive
Simple dice and spinners tool for experiments.
X-dice
Explore these X-dice with numbers other than 1 to 6 on their faces. Which one is best?
Succession in Randomia
By tossing a coin one of three princes is chosen to be the next King of Randomia. Does each prince have an equal chance of taking the throne?
Misunderstanding Randomness
Which of these ideas about randomness are actually correct?
Can't Find a Coin?
Can you generate a set of random results? Can you fool the random simulator?
The Random World
Think that a coin toss is 50-50 heads or tails? Read on to appreciate the ever-changing and random nature of the world in which we live.
Taking Chances
This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance and is a shorter version of Taking Chances Extended.
Taking Chances Extended
This article, for students and teachers, is mainly about probability, the mathematical way of looking at random chance.
Two and One
Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?
You Never Get a Six
Charlie thinks that a six comes up less often than the other numbers on the dice. Have a look at the results of the test his class did to see if he was right.
Tricky Track
In this game you throw two dice and find their total, then move the appropriate counter to the right. Which counter reaches the purple box first?
The Mean Game
Edward Wallace based his A Level Statistics Project on The Mean Game. Each picks 2 numbers. The winner is the player who picks a number closest to the mean of all the numbers picked.
Game of PIG - Sixes
Can you beat Piggy in this simple dice game? Can you figure out Piggy's strategy, and is there a better one?
Snail Trails
This is a game for two players. Does it matter where the target is put? Is there a good strategy for winning?
Stop or Dare
All you need for this game is a pack of cards. While you play the game, think about strategies that will increase your chances of winning.
Football World Cup Simulation
A maths-based Football World Cup simulation for teachers and students to use.
Thank Your Lucky Stars
A counter is placed in the bottom right hand corner of a grid. You toss a coin and move the star according to the following rules: ... What is the probability that you end up in the top left-hand corner of the grid?
Win or Lose?
A gambler bets half the money in his pocket on the toss of a coin, winning an equal amount for a head and losing his money if the result is a tail. After 2n plays he has won exactly n times. Has he more money than he started with?
Coin Tossing Games
You and I play a game involving successive throws of a fair coin. Suppose I pick HH and you pick TH. The coin is thrown repeatedly until we see either two heads in a row (I win) or a tail followed by a head (you win). What is the probability that you win?