Original post by laura273
The colours of the socks are red, orange, yellow, green, blue and violet. The number of combinations of two socks that include a red sock is given by 5C1
Find the probability that, when two socks are chosen at random, one of them is red. (2)
Find the probability that, when two socks are chosen at random, one of them is red. (2)
You need to consider how many colour combinations there are altogether. Any thoughts on that? Post your working if stuck.
Original post by old_engineer
You need to consider how many colour combinations there are altogether. Any thoughts on that? Post your working if stuck.
Duplicate thread.
See here.
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