Maths on a Mug 5
Last nights Powerball lottery in the US was an incredible $1.5 bn! But what were the odds of winning?
You need to get 5 numbers from a pot of 69 in the main draw, and then one ‘bonus’ ball, from a pot of 26. So the odds are 69 choose 5 multiplied by 26, which gives you the equation on the mug.
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