SOLUTION: What is the probability of selecting a seven or a red card in a deck of 52 cards?
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Question 1163411: What is the probability of selecting a seven or a red card in a deck of 52 cards?
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
probability of selecting a seven is 4/52.
probability of selecting a red card is 26/52.
probability of selecting a red card and a seven is 2/52.
probability of (a or b) = p(a) + p(b) - p(a and b)
this becomes equal to 4/52 + 26/52 - 2/52.
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