Identify each of the following samples by naming the sampling technique used (cluster, convenience, simple random, stratified, and systematic): (a) Measure the length of time every fifth person coming into a bank waits for teller service over a period of two days. ____________________________ (b) Take a sample of five Zip codes from the Chicago metropolitan region and use all the elementary schools from each of the Zip code regions. Determine the number of students enrolled in first grade in each of the schools selected. _________________ (c) Divide the users of the computer online service Internet into different age groups and then select a random sample from each age group to survey about the amount of time they are connected to Internet each month. ____________________________ (d) Survey five friends regarding their opinion of the student cafeteria. _________________________ (e) Pick a random sample of students enrolled at your college and determine the number of credit hours they have each accumulated toward their degree program. _______________________