$8$ of $15$

$\frac{-}{1}$

The distribution of the heights, $x,$ in meters, of trees is represented by the density function $p(x)$ in the figure below.

Enter the exact answers.

Calculate the fraction of trees which are:

$($a$)$ Less than $4$ meters high

The fraction of trees less than $4$ meters high is

$($b$)$ More than $7$ meters high

The fraction of trees more than $7$ meters high is

$($c$)$ Between $1$ and $4$ meters high

The fraction of trees between $1$ and $4$ meters high is