Please Answer my question about Customer Analytics

Hello,

2 months ago I asked a question, then 3 weeks later you answer me, but I still have some doubts about it and I submitted a new reply there 24 days ago.

Please, can you answer my new reply? (link below)

https://learn.365datascience.com/question/help-there-might-be-an-error-in-customer-analytics-course-possible-wrong-chosen-coefficient

Thank you.