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.
1  Argument, in its most basic form, can be described as a claim (the arguer's position on a controversial issue) which is supported by reasons and evidence to make the claim convincing to an audience. 2  All of the forms of argument described below include these components. ( 3 Nancy C. Wood, Perspectives on Argument.