Identify the Sampling Design for Each of the Following

Identify the sampling design for each of the following.
The Vice President for Academic Affairs of Southern State University decides which research proposals submitted to her by each college dean will be submitted for federal funding consideration.
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Every student in an introductory genetics class is assigned a number. The professor then randomly selects ten numbers and surveys the corresponding students.
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Class rosters list student names in alphabetical order. A professor wants to select some students to participate in a research project. The professor starts with the 5th name and then selects every 10th student thereafter.
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An apartment complex manager randomly selects 10 buildings from the complex of 30 buildings, and then interviews one household from every apartment in the 10 buildings.
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The student body of a large law school is comprised of 85% in-state residents and 15% out-of-state residents. An evaluation team wishes to interview 200 alumni from the school. They are instructed to contact 170 in-state alumni and 30 out-of-state alumni.
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