It is indeed normal...and they're usually pretty quick with their response. You should hear something from them by end of business.
Yes, that is how they do business. You should hear later today. Good luck!
Just checked app and still shows:Your application is currently pending review by a Loan Officer
You can call in if you'd like and they'll get an answer from a loan officer while you wait on the line.
NO, do not send another. If you like give them a call.
It can sometimes take 2-4 days. I have had instant approvals and to also wait 4 days with PenFed.