Question
If three socks are chosen at random, what is the
probability that all are blue socks? Read the information given below and answer the questions that follow. A bucket contains 5 black socks, 2 green socks and 3 blue socks.Solution
Total there are 10 socks so probability of getting 3 socks out of 10 socks = ¹⁰C₃ So Probability of getting 3 blue socks = ³C₃ / ¹⁰C₃ = (3× 2× 1)/(10× 9× 8) = 1/120
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