Actuarial Probability Exam (P) (C-1892): Passbooks Study Guide (Career Examination Series)

I am in the middle of the first provided test and there has been at least two critical typos on each page. Whoever wrote these problems does not double check what they typed. They don't even know how subscript and superscript impact a mathematical expression. When there is a typo on the problem, you can usually just read the first part of the worked solution to get clarification on the problem.