SOLUTION: A card drawn from a standard deck. find the probability of drawing a club or a 10?

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Question 1168512: A card drawn from a standard deck. find the probability of drawing a club or a 10?
Answer by math_helper(2461) About Me  (Show Source):
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four 10's --> 4/52
13 clubs --> 13/52

4/52 + 13/52 = 17/52

Wait! We counted the 10 of clubs twice, because it is in both groups:
17/52 - 1/52 = 16/52 = 4/13

P(club or 10 is selected) = highlight%284%2F13%29 or about 0.308 (30.8%)