>Study probability and statistics text book for months
>Answering all the questions confidently
>Switch to another book that's the same level but more rigorous.
>It goes over my head
>Having to relearn everything but in more mathematical form
>Answering all the questions confidently
>Switch to another book that's the same level but more rigorous.
>It goes over my head
>Having to relearn everything but in more mathematical form
