5.9 Describe the population and the sample. For each of the following situations, describe the population and the sample.
(a) A survey of 17,096 students in U.S. four-year colleges reported that 19.4% were binge drinkers.
(b) In a study of work stress, 100 restaurant workers were asked about the impact of work stress on their personal lives.
(c) A tract of forest has 584 longleaf pine trees. The diameters of 40 of these trees were measured.