Probability Theory Is Defined as A(n)

Probability theory is defined as a(n) :

A) body of techniques for comparing the consequences of possible decisions in a risk situation.
B) means to achieve specific goals within limited means.
C) idea-generating process in which group members state their ideas, a member of the group records them, and no one may comment on the ideas until the process is complete.
D) statistical analysis that can only be done with the help of computer software.