Let G be the set of all GW undergraduates who are registered in Spring 2016, and
ID: 3663277 • Letter: L
Question
Let G be the set of all GW undergraduates who are registered in Spring 2016, and A, B and C be the following three subsets of G: The students in A are those majoring in CS, the students in B are those minoring in Economics, and C is the set of GW students registered in CS 1311 in Spring 2016. Describe in understandable English prose the students in each of the following sets: A U B, A B, A-B, A+B, A C, A+C, C-A, (A+B) Pi C, A-(B U C). Express each of the following sets in terms of A, B, C, G and the different set operations: The set of currently registered GW undergraduates who, in Spring 2016, are majoring in CS, minoring in Economics, and taking CS 1311. The set of currently registered GW undergraduates who, in Spring 2016, are either majoring in CS or minoring in Economics, but not taking CS 1311 in either case. The set of currently registered GW undergraduates who, in Spring 2016, are neither majoring in CS, nor minoring in Economics, nor taking CS 1311. The set of currently registered GW undergraduates who, in Spring 2016, are non-CS majors and not minoring in Economics but taking CS 1311.Explanation / Answer
a.
AUB: Set of all students registered for CS and Economics
A intersection B : set of students who registered for bot CS and Economics (that is zero)
A-B : set of students who has registered for only CS
A+B: same as AUB (A union B)
A intersection C : set of undergradutes who has registeredfor both CS and CS 1311
A+C: set of undergradutes who has registered for both CS and CS 1311
C-A: who has registered for only CS 1311
(A+B) intersection C : set of students who has registered for only CS and Economics
A-(BUC): who has only registered for CS only
b.
answer is in same sequence as given in questions(part b)
(A+B)UC
(AUB)-C
G-A-B-C
(G-A-B)UC
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