two pairs

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1 total messages Started by Peter Pui Tak Chiu Tue, 15 Sep 1992 02:48

#532

Author: Peter Pui Tak Chiu
Date: Tue, 15 Sep 1992 02:48

16 lines
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hi,

can anyone point out what is wrong with my calculation of getting a hand
of two pairs from a shuffled deck of cards?

    the probability i have is:

	(13 * 4C2) (12 * 4C2) (4 * 11)
	------------------------------ = 0.095078
		      52C5

which is exactly two times the correct value (0.047539).

pete

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