SOLUTION: a card is drawn at random from an ordinary pack of 52 playing a cards. calculate the probability of selecting a) the four of heart or diamond b) a king, given that the selected

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Question 1021726: a card is drawn at random from an ordinary pack of 52 playing a cards. calculate the probability of selecting
a) the four of heart or diamond
b) a king, given that the selected card is a spade

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
probability of the 4H is 1/52. The probability of the 4H or a diamond is 1/52+13/52=14/52. There are 13 diamonds.
Given a spade, the probability it is the king is 1/13.