The probability of getting values very far from the mean is larger with a t-distribution than a normal distribution. Normal vs. t-distribution. Limitations of Using a T-Distribution ...

Normal distribution cannot be used to model stock prices because it has a negative side, and stock prices cannot fall below zero. Another similar use of the lognormal distribution is with the ...

Sampling Distribution Definitions. Central Limit Theorem: A sampling distribution of the mean is approximately normally distributed if the sample size is sufficiently large.This is true no matter what ...

Calculating probabilities on a normal distribution: Normal Distribution Calculator This web calculator allows users to specify the mean and standard deviation (SD) of the normal distribution, and ...