As for the question, I don't even know. Being the great songwriter & hitmaker that she is I think she can make it. You can't go wrong with an album full of hits.
I think she could make it. Even if she has one bad single out (the one ft. Chris Brown) + not sounding so good on DEMOS she can do it. Demo's are just demos, not the final song (editing on voice and stuff). Her vocals in Super Bass are pretty good as well.
I hope she can make it + make great songs for herself. Gimme Money ft. Nicki Minaj is really good!