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Each suit has exactly 13 cards. The probability of drawing any specific suit is .
Hearts: A♥, 2♥, 3♥, ..., K♥
Hearts + Diamonds = 13 + 13 = 26 cards
Spades + Clubs = 13 + 13 = 26 cards
Complement: Red and Black are complementary events.
| Event | Cards | Probability |
|---|---|---|
| Any Heart ♥ | 13 | |
| Any Diamond ♦ | 13 | |
| Any Spade ♠ | 13 | |
| Any Club ♣ | 13 | |
| Any Red (♥ or ♦) | 26 | |
| Any Black (♠ or ♣) | 26 |