Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for ...

In Excel, syntax for this function is NORMINV (probability,mean,standard deviation). Using the sales example, with a weekly sales average of $2,000 that fluctuates about $500 up or down, you know ...

For example, if you are calculating a stock option based on the Black-Sholes model, you will need the natural logarithm function "LN" in Excel, the normal distribution, "NORM.DIST" and the "EXP ...