In my experiment, I have been able to prove that I can acquire a customer (thru SEM) for $X on average. I have done this experiment N number of times, so the amount of money I have had to spend is $X/customer x N. Statistically speaking, how can I be sure that if I continue to put the X times N dollars, I will get N customers? At what point do I say that my experiment is successful in proving that I can acquire a customer for $X?
PS: Jason, I read your article on statistically significant A/B comparisons and found that very helpful. Thank You.