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Probability 13 Online
OpenStudy (anonymous):

If 6 cards are drawn at random from a standard deck of 52 cards, what is the probability that exactly 2 of the cards are spades?

OpenStudy (anonymous):

@nincompoop

OpenStudy (anonymous):

@OregonDuck

OpenStudy (anonymous):

2 out of 52

OpenStudy (anonymous):

i think

OpenStudy (anonymous):

no 6 out of 52

OpenStudy (anonymous):

i wish it were that simple

OpenStudy (anonymous):

DAMMIT

OpenStudy (anonymous):

im so stupid today >.<

OpenStudy (anonymous):

my possible answers are: 0.038 0.200 0.315 0.465 0.747

OpenStudy (kropot72):

\[\large P(2\ spades)=\frac{13C2\times39C4}{52C6}\]

OpenStudy (anonymous):

@kropot72 what does c stand for

OpenStudy (kropot72):

13C2 means 13 choose 2, or alternatively, the number of combinations of 13 different things taken 2 at a time.

OpenStudy (anonymous):

It depends. Are the cards being replaced after each draw?

OpenStudy (kropot72):

If the cards were replaced after each draw, then none of the answer choices applies.

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