A good example of a bell curve or normal distribution is the roll of two dice. The distribution is centered around the number 7 and the probability decreases as you move away from the center. Here are the % chance of the various outcomes when you roll two dice.
main argument definition, main argument meaning | English dictionary. [. 1 chief or principal in rank, importance, size, etc. 5 a principal pipe, conduit, duct, or line in a system used to distribute water, electricity, etc.
argument. 1  an oral disagreement; verbal opposition; contention; altercation: a violent argument. 2  a discussion involving differing points of view; debate: They were deeply involved in an argument about inflation. 3  a process of reasoning; series of reasons: I couldn't follow his argument.