60 40
20
х
-100
-80
-60
-40
-20
0
20
40
60
80
100
.-20
-40
-60
-80
-100
What is the equation of the line in slope-intercept form?

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.