Alison and Charlie are playing a game. Charlie wants to go first so Alison lets him. Was that such a good idea?
7 balls are shaken in a container. You win if the two blue balls
touch. What is the probability of winning?
Imagine flipping a coin a number of times. Can you work out the
probability you will get a head on at least one of the flips?
Can you work out the probability of winning the Mathsland National
Lottery? Try our simulator to test out your ideas.
Chris and Jo put two red and four blue ribbons in a box. They each
pick a ribbon from the box without looking. Jo wins if the two
ribbons are the same colour. Is the game fair?
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?