karatomasello karatomasello

23-11-2016
Mathematics

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Henry has 3 black shirts and 7 blue shirts in his wardrobe two shirts are drawn with out replacement from the wardrobe what is the probability that both of the shirts are black

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helpmetnx helpmetnx

23-11-2016

3/10 * 2/9 = 1/15
There is a 1/15 chance that both of the shirts he grabbed are black....

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