1. Calculate the total number of cards in a standard deck:
52
2. Calculate the total number of Clubs in a standard deck:
13
3. To find the number of non-club cards:
52 - 13 = 39
4. Calculate the probability of drawing a non-club card:
\frac{39}{52} = \frac{3}{4}
5. Answer:
\frac{3}{4}