Multiple Choice
A company wants to select 1 project from a set of 4 possible projects. Which of the following constraints ensures that only 1 will be selected?
A) X1 + X2 + X3 + X4 = 1
B) X1 + X2 + X3 + X4 1
C) X1 + X2 + X3 + X4 1
D) X1 + X2 + X3 + X4 0
Correct Answer:

Verified
Correct Answer:
Verified
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