What are Upper H 0 and Upper H Subscript a? A. Upper H 0: mu 1not equalsmu 2 Upper H Subscript a: mu 1equalsmu 2 B. Upper H 0: mu 1less thanmu 2 Upper H Subscript a: mu 1greater than or equalsmu 2 C. Upper H 0: mu 1greater than or equalsmu 2 Upper H Subscript a: mu 1less thanmu 2 D. Upper H 0: mu 1equalsmu 2 Upper H Subscript a: mu 1not equalsmu 2 E. Upper H 0: mu 1less than or equalsmu 2 Upper H Subscript a: mu 1greater thanmu 2 F. Upper H 0: mu 1greater thanmu 2 Upper H Subscript a: mu 1less than or equalsmu 2