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16-05-2017
Mathematics

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You have a 4-card deck containing a king, a queen,a jack, and a 10. You pick a card, keep it, and then pick another card. What is the probability that you pick exactly 1 face card? (face cards are jacks,queens,and kings)

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16-05-2017

P(F then 10)+P(10 then F) since order does not matter, without replacement

(3/4)(1/3)+(1/4)(3/3)

3/12+3/12

6/12

1/2

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