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Alison and Charlie are playing a game. Charlie wants to go first so Alison lets him. Was that such a good idea?
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?
Seven balls are shaken. You win if the two blue balls end up touching. What is the probability of winning?
Newspapers said that eating a bacon sandwich every day raises the risk of bowel cancer by 20%. Should you be concerned?
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?