" Of course you don’t have the knowledge to truly solve the problem. Of course you could solve it better if you did. But that’s not the point; in fact, it’s not even an issue. An interviewer is not evaluating you on the correctness of your eventual conclusions but rather on the process you take to get there. "

― Gayle Laakmann McDowell , Cracking the PM Interview: How to Land a Product Manager Job in Technology