I dont under stand this a company makes a mean monthly income of 20300 with a standard deviation of 3200. In one given month the company makes 29500. I found out the z-scorebut dont know to get in the money order it needs to get the numbers right
Its just that i dont understand the standard deviation sections like this
To find a z-score: z-score = [score - average] / standard deviation
---> z-score = [$29500 - $20300] / $3200 = 2.875
I don't know what your question is ...
