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Mathematics, 05.01.2020 09:31 kkmcfly

Michael has a drawer with 8 pairs of black socks and 12 pairs of white socks. without looking he takes a white pair of socks out of the drawer. what is the probability that the next pair he takes out is black?
a) 11/19
b) 11/20
c) 8/11
d) 8/19

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