# Chapter 13 - Probability - Mid-Chapter Quiz - Page 843: 2

$\frac{9}{39}$

#### 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 9 tiles that are green, and 39 in total. When we divide 9 by 39, we get $\frac{9}{39}$, which is the probability of drawing a green tile, or $P(\text{green})$.

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