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A deck of playing cards consists of 13 ranks and each rank has 4 suits. (a) 3 cards are randomly drawn from a deck of playing cards. Find the probability that the 3 drawn cards correspond to a straight flush, i.e., 3 cards of the same suit in consecutive ranking, such as {J, 10, +9,} and {A, K, Q}. Note that {3, 2, A} is not a straight flush. (10 marks) (b) Repeat the probability computation in (a) when 3 cards are randomly drawn from 2 decks. (10 marks) A deck of playing cards consists of 13 ranks and each rank has 4 suits. (a) 3 cards are randomly drawn from a deck of playing cards. Find the probability that the 3 drawn cards correspond to a straight flush, i.e., 3 cards of the same suit in consecutive ranking, such as {J, 10, +9,} and {A, K, Q}. Note that {3, 2, A} is not a straight flush. (10 marks) (b) Repeat the probability computation in (a) when 3 cards are randomly drawn from 2 decks. (10 marks)