# probability

7 white socks anf four black socks are in a bag. if two socks are drawn at random, what is the probability that both socks are the same color?

thank you so much for the help

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1. 3 out of 11

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posted by yasha
2. Pr(both)=Pr(both black) + prob(white)
= 4/11*3/10 + 7/11*6/10

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3. stop it.

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4. Mr. Pursley,

thank you for taking the time to answer my question. i very much appreciate the help.

just to clarify, then the answer would be
(.3636*.3)+(.6363*.6)=0.49
is this right?

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5. i'm sorry, i don't understand this response. does it mean the first answer 3/11 is incorrect?

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6. correct.

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7. thank you again for all the help

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