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### There are 16 results

Broad Topics > Probability > Equally likely outcomes

### Which Spinners?

##### Age 14 to 18 Challenge Level:

Can you work out which spinners were used to generate the frequency charts?

### Connect Three

##### Age 11 to 16 Challenge Level:

In this game the winner is the first to complete a row of three. Are some squares easier to land on than others?

### Cosy Corner

##### Age 11 to 14 Challenge Level:

Six balls of various colours are randomly shaken into a trianglular arrangement. What is the probability of having at least one red in the corner?

### Two's Company

##### Age 11 to 14 Challenge Level:

7 balls are shaken in a container. You win if the two blue balls touch. What is the probability of winning?

### Flippin' Discs

##### Age 11 to 14 Challenge Level:

Identical discs are flipped in the air. You win if all of the faces show the same colour. Can you calculate the probability of winning with n discs?

### Teams

##### Age 16 to 18 Challenge Level:

Two brothers belong to a club with 10 members. Four are selected for a match. Find the probability that both brothers are selected.

### Boy or Girl?

##### Age 14 to 16 Short Challenge Level:

Will the witch make a profit or loss?

### What Do You Know about Probability? (2)

##### Age 11 to 14 Challenge Level:

What are the likelihoods of different events when you roll a dice?

### What Do You Know about Probability? (1)

##### Age 11 to 14 Challenge Level:

What is special about dice?
How can we use dice to explore probability?

### Dicey Dice

##### Age 16 to 18 Challenge Level:

Invent a set of three dice where each one is better than one of the others?

### Misunderstanding Randomness

##### Age 11 to 14 Challenge Level:

Which of these ideas about randomness are actually correct?

### Can't Find a Coin?

##### Age 11 to 14 Challenge Level:

Can you generate a set of random results? Can you fool the random simulator?

### How Many Balls?

##### Age 16 to 18 Challenge Level:

A bag contains red and blue balls. You are told the probabilities of drawing certain combinations of balls. Find how many red and how many blue balls there are in the bag.

### Master Minding

##### Age 11 to 14 Challenge Level:

Your partner chooses two beads and places them side by side behind a screen. What is the minimum number of guesses you would need to be sure of guessing the two beads and their positions?

### The Lady or the Lions

##### Age 11 to 14 Challenge Level:

The King showed the Princess a map of the maze and the Princess was allowed to decide which room she would wait in. She was not allowed to send a copy to her lover who would have to guess which path. . . .

### Coin Tossing Games

##### Age 14 to 16 Challenge Level:

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. . . .