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Mathematics 16 Online
OpenStudy (anonymous):

A box contains 20 cards,numbered 1-20. You select a card and without replacing it,select another card.Find P(even,then even) HELP!!

OpenStudy (anonymous):

(1/10)*(1/9) --the prob of the first even is 1/10 and then the second is 1/9 because you have one less card!

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