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.
In Writing, what is an Argument? Based on facts and evidence, an argument is what supports or proves the thesis or main idea of an essay or other researched work. Generally, proof is virtually impossible, but support is fairly easy to find with a good thesis. A writer may make a list of facts that support her claim before she begins writing the essay.