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Popular Word Problems >

If you draw one card from a standard deck, what is the probability of drawing a spade or a red card?

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Solution

Ifyoudrawonecardfromastandarddeck,whatistheprobabilityofdrawingaspadeoraredcard?

Solution

43​
+1
Decimal
0.75
Solution steps
Find the probability of drawing a spade:41​
Find the probability of a red card:21​
Since the events are disjoint, Use the formula P(X1​∨X2​∨…∨Xk​)=P(X1​)+P(X2​)+…+P(Xk​)=41​+21​
41​+21​=43​
=43​

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