Question
From a pack of 52 cards , two cards are drawn together at random. What is the probability of both he cards beings ?
Answer: Option D
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Let S be he sample space . Then
n(S) = `52_ (C_2) = ((52 xx 51))/((2 xx 1))` = 1326
Let E = event of getting 2 kings out of 4
`:.` n(E) = `4_ (C_ 2) = ((4 xx 3))/((2 xx 1))` = 6.
`:.` P(E) = `(n(E))/(n(S)) = 6/1326 = 1/221`
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