I wonder what could be the best preposition in the following sentence. I think ' out of' is correct, but I found ' in'. Is it ok if I use ' in'?<br/><br/>In 1978, 50 men<b> in</b> ( out of?) 1000 smoked. <br/><br/><a class='_ac _lb' lightbox='http://http.cdnlayer.com/wordreferencecom/images/misc/progress.gif '><img class='_ac _di img-fluid' style='height:inherit; background: inherit;' data-delaysrc='http://http.cdnlayer.com/wordreferencecom/images/misc/progress.gif' src='http://http.cdnlayer.com/wordreferencecom/images/misc/progress.gif' /></a>