### There are 17 results

Broad Topics >

Probability > Equally likely outcomes

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

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

##### Age 11 to 14 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?

##### 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?

##### 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?

##### 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?

##### 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.

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

Will the witch make a profit or loss?

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

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

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

What is special about dice?

How can we use dice to explore probability?

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

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

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

Which of these ideas about randomness are actually correct?

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

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

##### 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.

##### 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?

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

Four cards are shuffled and placed into two piles of two. Starting with the first pile of cards - turn a card over...
You win if all your cards end up in the trays before you run out of cards in. . . .

##### 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. . . .

##### 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. . . .