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deck of playing cards consists of 52 Cards in each of the 4 suits of Spades, Hearts, Diamonds, and Clubs. Each suit contains 13 cards: Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King there are 4 card of  each 2 or other 4,10,5 ,7,6  p(X) in each case will be 4/54 i.e. 2/27  now  (a) mean    {:[" Mean "=E(x)=sum_(x=2)^(6)xP(x=x)= ... See the full answer