A={(2,3)(4,3)(6,3)}
n(s)= 6^2=36 n(a)=3
p(a) =3/36 =1/12
I dont understand your question, which statements??
It is by listening and evaluating the speaker's questions and responses. When the speaker asks a question, he is surely making a point to the audience through his responses. By that kind of communication, the speaker should have given his purpose to the audiences.