SOLUTION: A single card is drawn from a standard deck. Find the probability that the card is a spade or an ace?

Algebra ->  Trigonometry-basics -> SOLUTION: A single card is drawn from a standard deck. Find the probability that the card is a spade or an ace?      Log On


   

Question 74588: A single card is drawn from a standard deck. Find the probability that the card is a spade or an ace?
Found 2 solutions by Nate, stanbon:
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
Prob of Spade = 13/52 or Prob of Ace = 13/52
1/4 + 1/4 = 1/2 or 50%

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
P(ace OR spade) = P(ace) + P(spade) - P(ace AND spade)
P(a OR s) = 4/52 + 13/52 - 1/52 = 16/52 = 4/13
--------------
Cheers,
Stan H.