# Recent content by Ares

1. ### probability of a future mean based on known mean and SD

Thank you very much to both of you!
2. ### probability of a future mean based on known mean and SD

I've watched several videos and read multiple tutorials, but I don't understand how I can apply the 'distribution of a mean' here. All the formulae I've found require a 'sample mean,' whereas I have the mean of a whole population. Additionally, they seem to require data points, which I don't...
3. ### probability of a future mean based on known mean and SD

Hello Hello, Thank you for the reply. The only Standard Deviation I know is the 146. As for how it distributes, I don't know, unfortunately. The only information I have is that in my first post. :(
4. ### probability of a future mean based on known mean and SD

Okay, I've given this one a shot but I have no idea if I did it correctly. Any input would be much appreciated. Here's the scenario: "A salesperson sells an average of 1120 products a week, with a standard deviation of 146. He will get a bonus if, over a four-week period, the average number he...