Should I be worried I won’t get this promotion after HR’s reaction?

The other day my supervisor posted about two assistant supervisors positions. He told me that he just put the positions up on the board and that I should put an application in. I’m the second senior guy in my department with more experience. I handed my application in to HR and the lady kind of gave me doubts. She said “now there’s a lot of people applying for the position”. She kind of said it in a tone like they might know already who might get it.

Should I be worried I won’t get this promotion after HR’s reaction?
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