In probability theory, the central limit theorem (CLT) states that the distribution of a sample will approximate a normal distribution (i.e., a bell curve) as the sample size becomes larger ...

Note that both of these examples, largely because of their sample size ... and no particular theory, it is sometimes the best option available. Axiomatic probability is a unifying theory of ...

What you may not know is that pollsters disagree fiercely about when it should be used. . . . Based on the sample size (and some other ... in the population — in theory — within plus or ...