Stat-312: Quiz #04 Name: Key 1.At a bank ATM, customers arrive randomly with a mean inter-arrival time of 5 minutes. (a) What is the chance that the next customer will arrive in exactly 5 minutes?
(b) What is the probability that the next customer will arrive within 5 minutes?
(c) What is the median inter-arrival time of ATM customers?
(d) What is the mean inter-arrival time and the standard deviation of inter-arrival times of customers?
2. A random number generator has an Expected Value of 3.0 and a Standard Deviation of 812(a) Sketch the PDF for this process, and include the location of the mean and standard deviation. .