\textbf{Z = 1.28}  \textbf{$$\frac{x-2.05}{1}$$ = 1.28}  \textbf{x= 3.33} 
Free-response questions on the AP Statistics Exam are graded 4, 3, 2, 1, or~ 0. Question 2 on the exam was of moderate difficulty. The average score on question 2 was 2.05 with a standard deviation of 1. To the nearest tenth, what score was achieved by a student who was at the 90th percentile of all students on the test? You may assume that the scores on the question were approximately normally distributed. 
(A) $$3.5$$ 
(B) $$3.3$$ 
(C) $$2.9$$ 
(D) $$3.7$$ 
(E) $$3.1$$ 