Asked by courtney
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
thank you so much for the help
Answers
Answered by
yasha
3 out of 11
Answered by
bobpursley
Pr(both)=Pr(both black) + prob(white)
= 4/11*3/10 + 7/11*6/10
= 4/11*3/10 + 7/11*6/10
Answered by
bobpursley
stop it.
Answered by
courtney
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?
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?
Answered by
courtney
i'm sorry, i don't understand this response. does it mean the first answer 3/11 is incorrect?
Answered by
bobpursley
correct.
Answered by
courtney
thank you again for all the help
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