Combining probabilities

There are 23 NRICH Mathematical resources connected to Combining probabilities

problem

Age

14 to 16

Challenge level

"Statins cut the risks of heart attacks and strokes by 40%"
Should the Professor take statins? Can you help him decide?

$How Risky \is my diet?$

problem

Age

11 to 16

Challenge level

Newspapers said that eating a bacon sandwich every day raises the risk of bowel cancer by 20%. Should you be concerned?

problem

Age

11 to 14

Challenge level

Can you design a bingo board that gives you the best chance of winning?

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