Question

A sock drawer has 17 folded pairs of socks, with 8 pairs of white, 5 pairs of black and 4 pairs of blue. What is the probability, without looking in the drawer, that you will first select and remove a black pair, then select either a blue or a white pair?

Answer 1

Answer:

=22.06 %

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Step-by-step explanation:

probability, without looking in the drawer, that you will first select and remove a black pair, then select either a blue or a white pair

=P(first black pair)*P(2nd white or blue|1st black)

=(5/17)*(12/16)*100

=22.06 %