Hi,
That's correct. In OF39 you define deviations from standard behaviour of update profile. I.e. stating that '50' should be statistical is sufficient for your goal.
Regards,
Eli
P.S. Just remember, that statistical update should be always be in the 'beginning' of the document chain. I.e. if you use reservations EMFs in your project and link PRs to it, then this setting is not good. See note 168157 - Statistical update in FM for more info.