when p(a)=0 is it a null event? what is the null event what is an example of a null event what is null event in java? what is null why is an event null what is p(an event) in the reverse what is null event when p(a) is 0 is it null or not what event is nil if p(a)=0 is a null event? if p(a)=0, is a null event? what is the event when p(a) is null what is the null event in math if p(a)=0 is a null event? what is null event if you have event and you get null which integer is null is p(a)+0 a null why null null when p(null event) is a null event what is this