Given a dilation with the origin o (0, 0), by observation determine the scale factor "k." do, k = (5, 0) (10, 0) the dilation an expansion. true false

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.