2. The density function of the time, Z, in minutes between calls to an electrical supply store is given by f(z)=101e−z/
Posted: Thu Jul 14, 2022 4:52 pm
2. The density function of the time, Z, in minutes between calls to an electrical supply store is given by f(z)=101e−z/10, for z≥0. a) What is the mean time between calls? b) Find the CDF of Z. c) What is the probability that the time between calls exceeds the mean?