If Q = -1, attributes exhibit: MCQ with Answer and Explanation

Explanation:
It is always logically true that the number possessing A cannot be less than those possessing both A and B, and it is required for consistency.

Explanation:
Data published by international organizations are secondary sources for researchers who use them for their own studies.

Explanation:
Agreement can be both truth or both lie. P(both truth)=0.6×0.7=0.42; both lie=0.4×0.3=0.12. Total agreement=0.54. Probability truth given agreement = 0.42/0.54 ≈ 0.7778.