# Chapter 10 Counting Methods and Probability - 10.3 Define and Use Probability - 10.3 Exercises - Skill Practice - Page 702: 13

$$\frac{1}{4}$$

#### Work Step by Step

In a deck of 52 cards, there are 13 spades. Thus, we find that the probability is: $$=\frac{13}{52}=\frac{1}{4}$$

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