4 cards are drawn from a well - shuffled deck of 52 cards. What is the probability of obtaining 3 diamonds and one spade?

Explanation

To solve the problem of finding the probability of drawing 3 diamonds and 1 spade from a well-shuffled deck of 52 cards, we can follow these steps:

### Step 1: Determine the total number of ways to draw 4 cards from 52 cards.
The total number of ways to choose 4 cards from a deck of 52 cards can be calculated using the combination formula:

\[ \text{Total ways} = \binom{52}{4} \]
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