Let E be the event that the card drawn is not a heart.
There are a total of 52 cards in a deck, and there are 13 cards of each suit, including hearts.
\( P(E) = \frac{Number\ of\ non-heart\ cards}{Total\ number\ of\ cards} \)
\( P(E) = \frac{52 - 13}{52} \)
\( P(E) = \frac{39}{52} \)
\( P(E) = \frac{3}{4} \)
So, the probability that the card drawn is not a heart is \(\frac{3}{4}\).
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