# Chapter 13 - Probability - Mid-Chapter Quiz - Page 843: 5

$\frac{4}{7}$

#### Work Step by Step

To calculate probability, we need to divide the number of chances for a certain outcome to occur by the total number of outcomes. In this case, there are $4$ even numbers, and 7 numbers in total. When we divide 4 by 7, we get $\frac{4}{7}$, which is the probability of choosing an even number, or $P(\text{even})$.

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