The answer is C
By the way, that expression means "n choose k". Hope I helped!
P(black socks): 24/42 or 12/21
P(black socks without replacing): 23/41. As a result, the probability of randomly picking 2 black socks, without replacement, from the basket is 12/21×23/41=276/861 or 32%. Hope it help!
3 sorry if it is wrong but have a good day
5 meters per second
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