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P(Card is King) = 4/52

P(Card is Queen) = 4/52

Since these are mutually exclusive events.i.e. they can't happen in a single trial these two probabilities will be added.

P(King or Queen) = 4/52 + 4/52 = 8/52

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Q: One card is drawn from a standard pack of 52 what is the probability that it is either a king or a queen?
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