mermeer mermeer

23-04-2017
Mathematics

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What is the chance of drawing a yellow ball then a red ball from a bag containing 3 yellow balls and 7 red balls?

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justtryingtopassgcse justtryingtopassgcse

23-04-2017

Talking as if the balls do not get put back into the bag, the first probability is 3/10 for yellow. For red it will be 7/9 because there is one less ball (yellow) in the bag.

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