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To solve this probability question, we need to determine the probability of drawing a card that is either a heart or an ace from a standard deck of 52 cards.

### Step-by-Step Solution:

1. **Count the Hearts**: In a standard deck, there are 13 hearts.

2. **Count the Aces**: There are 4 aces in the deck (one for each suit: hearts, diamonds, clubs, and spades).

3. **Avoid Double-Counting the Ace of Hearts**: Since the ace of hearts is both a heart and an ace, it gets counted twice if we just add the number of hearts and aces. We need to subtract this overlap to avoid double-counting.

4. **Calculate Total Favorable Outcomes**:
   - Number of hearts = 13
   - Number of aces = 4
   - Subtract 1 (the ace of hearts) to avoid double-counting.
   
   So, the total number of favorable outcomes is:
   \[
   13 + 4 - 1 = 16
   \]

5. **Total Possible Outcomes**: There are 52 cards in total.

6. **Calculate the Probability**:
   The probability of drawing a heart or an ace is:
   \[
   \frac{16}{52} = \frac{4}{13}
   \]

### Final Answer:
The probability that the card you select is a heart or an ace is **4/13**.

Would you like more details on any of these steps or have additional questions?

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Here are some related questions to consider:
1. What is the probability of drawing a diamond or a king?
2. How many ways can you draw a face card (Jack, Queen, or King) from a standard deck?
3. What is the probability of drawing a black card (spade or club)?
4. How many ways can you draw a red card that is not a heart?
5. If two cards are drawn in succession without replacement, what is the probability that both are aces?

**Tip**: Always double-check for overlaps in probabilities when dealing with "or" situations, as it often requires adjustments for double-counting.

If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probability that the card you select is a heart or Ace?

Calculate the probability of drawing a heart or an Ace from a well-shuffled standard deck of 52 cards. This solution covers key probability concepts, including the inclusion-exclusion principle, suitable for students in Grades 8-10.

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