### Home > A2C > Chapter 13 > Lesson 13.2.3 > Problem13-137

13-137.

In a certain family, the probability of any one child having dark hair is . If the family has three children, what is the probability that exactly one has dark hair? Homework Help ✎

$_3C_1\left(\frac{1}{4}\right)^2\left(\frac{3}{4}\right)=\frac{9}{64}\approx0.141$