I don’t remember where I heard or read this, sorry. Also, I don’t remember the exact percentages. It was a long time ago. The results were surprising, but if you think about it makes sense. People enjoy having sex and being near a hotel room gives an easy opportunity to have some no strings attached fun.
But yeah, I wouldn’t recommend trying this, because there most certainly will be some women who will get offended. These days you can even get arrested for being sexually explicit to strangers.
Back in the days there was this Pick Up Guru who made his students do progressively harder approaches. Starting from very simple things to being very direct and asking random strangers for sex right away. Some guys got lucky doing this, others got beaten up by boyfriends or brothers of the women.