Limit in probability of the sample mean of a mixture

Let $X_1,X_2,…,X_n$ be a random sample from the distribution with the probability density function

$$f(x)=\frac14e^{-|x-4|}+\frac14e^{-|x-6|},\quad x\in\mathbb R.$$

Then $\frac1n\sum_{i=1}^nX_i$ converges in probability to ____________