應該足夠 我也在準備考9月的
現在用了大約10小時就把掌握了一半
PAST PAPER的問題也有70﹪的答對
但我有基本統計和數學底子
i use the Guo manual, it quite good as it is exam oriented.i highly recommend you use it as 2 months cannot make u fully command the probability theory
but it is surely enough for you to pass the exam.