I just got off the phone (literally 2 hours ago) with the head of graduate admissions from Yale's EE program. We talked for about 30 minutes about my research and research interests; it was rather technical since he is an expert in a closely related field. I was extremely nervous at the beginning, but I just told him I was nervous and he laughed and said he understood and that he would talk first about why he liked my application.
Overall, I got the distinct impression that he was impressed by my application and my previous work, indicating that Yale would pay for me to go to their campus and talk with their EE faculty concerning research topics. Nothing concrete like "You will be admitted with scholarship" or anything was explicitly stated.
I would recommend to you to avoid the question about other schools to which you've applied. Since Yale is like #39 in EE graduate programs (I dunno about your field), I think they might not consider you to attend if your application is good enough to get into other, higher ranked, schools. I was honest and told him that I applied to 15 schools and rattled off all of them. I hope it doesn't hurt my chances of admittance due to yield protection.
Anyway, hope this helps.