Let A and B be 3x3 matrices with set A = -3 and set B = -7 Use properties of determines to complete parts a through e. A. CompUTE set AB DET AB B. COMPUTE DET 5A DET 5A C. COMPUTE DET B ^t Det B^T D. Compute set A ^-1 A^-1 E. Compute det A^3 A^3

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A: To use normal approximation, the following conditions should be satisfied. np>5 and n(1-p)>5