Answer:
1/5
Explanation:
non collinear means that they don't lie on the same line
so the probability is 1/5
this is because there are 5 points in total ( Q, R, S, T, AND W)
and only 1 can be non collinear (Q)
(non collinear point pair can be Q and R, Q and S, Q and T or Q and W )