SOLUTION: For the experiment of drawing a single card from a standard 52-card, find the odds in favor of not drawing a heart or a 7.

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Question 1021624: For the experiment of drawing a single card from a standard 52-card, find the odds in favor of not drawing a heart or a 7.
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Since this is an "or" problem, we can do it this way...
P(not heart or not 7) = P(not heart) + P(not 7) - P(not heart and not 7)
= 39/52 + 48/52 - 51/52 = 87/52 - 51/52 = 36/52 = 9/13
We could have looked at the reverse and subtracted from 1 of course...