### Home > PC3 > Chapter 13 > Lesson 13.3.1 > Problem13-106

13-106.

Recall that when two dice are rolled, the probability of getting a sum of $7$ is $\frac { 1 } { 6 }$. If two dice are rolled six times, what the probability that a sum of $7$ shows up exactly four times?

$\binom{6}{4}\left(\frac{1}{6}\right)^4\left(\frac{5}{6}\right)^2$