Special Events Null Event >Impossible event e.g.:Club diamond on one card draw >Complement of event For event A,all events not in A Denoted as A' e.g.:A:queen of diamonds A':all cards in a deck that are not queen of diamonds Statistics for Managers Using Microsoft Excel Chap4-9 Tongji University,School of Economics Management Statistics for Managers Using Microsoft Excel Chap 4-9 Tongji University, School of Economics & Management Special Events  Impossible event e.g.: Club & diamond on one card draw  Complement of event  For event A, all events not in A  Denoted as A’  e.g.: A: queen of diamonds A’: all cards in a deck that are not queen of diamonds  Null Event A' A