A. Upper H 0: mu Subscript dgreater than or equalsd overbar Upper H Subscript a: mu Subscript dless thand overbar B. Upper H 0: mu Subscript dless than or equalsd overbar Upper H Subscript a: mu Subscript dgreater thand overbar C. Upper H 0: mu Subscript dless than or equals0 Upper H Subscript a: mu Subscript dgreater than0 D. Upper H 0: mu Subscript dequals0 Upper H Subscript a: mu Subscript dnot equals0 E. Upper H 0: mu Subscript dnot equals0 Upper H Subscript a: mu Subscript dequals0 F. Upper H 0: mu Subscript dgreater than or equals0 Upper H Subscript a: mu Subscript dless than0