You fall in love with math and want to take Pre-Calculus next semester from
the best professor you can find (go with me on this). The new schedule is
out and you find there are 5 professors teaching Pre-Calculus in Contra
Costa County Community Colleges (LMC, DVC, CCC). You decide to go to
their classes this semester and interview students.
Describe how you would sample 20 students using a stratified approach.



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