A 4-person grievance committee is to be selected out of 2 departments, A and B, with 12 and 30 people, respectively. In how many ways can the following committees be selected? Complete parts (A) through (E) below. (A) 3 from A and 1 from B 6600 (B) 2 from A and 2 from B 28710 (C) All from A 495 (D) 4 people regardless of department 111930 (E) At least 3 from department A nothing
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