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.
According to a survey by the beach lifeguards, there is a 25% chance that surfers will see a dolphin while surfing. which simulation could you use to answer questions about whether a surfer will see a dolphin?