why is the normal distribution used in statistics what is the function x x$ used for in statistics what is the importance of the function $e-x2$ in stats why is the function $e-x+x$ useful what is the function for normal distribution why is it useful to find the ________ function in statistics? why is the bell curve used in statistics what is the function of normal distribution in statistics what is normal distribution function what is the function that represents a normal distribution in statistics why is its function used for statistical purposes? what is the function for normal distribution what is the function for using an average distribution what is normal distribution which term refers to the probability that a large number of random variables will be distributed approximately normally? what is the function for normal distribution in statistics why is the function $e-x-x used in statistics why is the function $e-x2$ important in statistics what is the function of normal distribution why use a normal distribution