What is the probability of pulling a red card or an ace from a deck of cards?
Find the probability of drawing any red card
plus the probability of drawing any ace minus the probability of drawing a red ace In a standard deck of 52 cards: P(any red card) = 26/52 {there are 52 total cards and 26 are red} P(any ace) = 4/52 {there are 52 total cards and 4 are aces} P(red ace) = 2/52 {there are 52 total cards and 2 are red aces} P(red card or an ace) = 26/52 + 4/52  2/52 {probability of red plus probability of ace minus probability of red ace} = 28/52 {added and subtracted} = 7/13 {reduced} Ask Algebra House
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