Which of the following statements describe why error guessing is a useful test design technique?
A. It can help derive test cases based on analysis of specification documents.
B. It can identify tests not easily captured by formal techniques.
C. It can make good use of tester experience and available defect data.
D. It is a cheaper alternative to more formal test design techniques.
A. a and b
B. b and c
C. c and d
D. a and c