Line 1: y2x+1
Line 2: 2x+y=1
LI
12
This system of equations is:
inconsistent
O consistent Independent
consistent dependent
This means the system has:
a unique solution
Solution: 1.0
no solution
infinitely many solutions

Concerned about campus safety, college officials want to estimate the percentage of students who carry a gun, knife, or other such weapon. how many randomly selected students must be surveyed in order to be 95 % confident that the sample percentage has a margin of error of two percentage points?