6. An upper-level sociology class has 120 registered students: 37 seniors, 50 juniors, 23 sophomores, and 10 freshmen. I

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6 An Upper Level Sociology Class Has 120 Registered Students 37 Seniors 50 Juniors 23 Sophomores And 10 Freshmen I 1 (31.67 KiB) Viewed 25 times

6. An upper-level sociology class has 120 registered students: 37 seniors, 50 juniors, 23 sophomores, and 10 freshmen. I a. Imagine that you choose one random student from the classroom (perhaps by using a random number table). What is the probability that the student will be a junior? b. What is the probability that the student will be a freshman? c. If you are asked to select a proportionate stratified sample of size 30 from the classroom, stratified by class level (senior, junior, etc.). How many students from each group will there be in the sample?