Event 1: Dealt a 9

Event 2: Dealt a red

Event 1 and 2 are NOT independent, so when we do the P(Event 1 or 2) the equation is

P(Dealt 9) + P(Dealt Red) - P(Dealt 9 AND Red-> 9 of hearts, 9 of diamonds) =

4/52+26/52 - 2/52 = 28/52

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