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 ...

A probability distribution, usually displayed graphically, shows the relative likelihood of all possible outcomes occurring within a specific time period.