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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

User Fanny
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1 Answer

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Given:

A company wants to select 1 project from a set of 4 possible projects.

Consider the options are:

a.
X_1+X_2+X_3+X_4=1

b.
X_1+X_2+X_3+X_4\leq 1

c.
X_1+X_2+X_3+X_4\geq 1

d.
X_1+X_2+X_3+X_4\geq 0

To find:

The constraints that ensures only 1 will be selected.

Solution:

It is given that the company wants to select 1 project from a set of 4 possible projects. It means the sum of selected projects must be equal to 1.


X_1+X_2+X_3+X_4=1

Therefore, the correct option is (a).

User Jules Bartow
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