uestions 10-12 refer to the following Normal distribution graph: uppose the life expectancy of Norway is 74.3 years with a standard deviation of 9.7 years. Consider the graph of the stribution that assumes a roughly Normal distribution. 13.0 (38 + A B C D E 0. [E] Point E refers to - G (A) 54.9 years (B) 64.6 years (C)) 74.3 years (D) 84.0 years (E) 93.7 years oni sift on botomites ad toringo 11. [E] About what proportion of the years are between 64.6 and 84.0 (points C & E)? (A) 0.17 (B)) 0.34 (C) 0.68 (D) 0.95 (E) 0.997 25.0 ivab brebide ort bus (0 ESTO W (AY 12. [M] About what proportion of the years are less than 64.6 (point C)? (A) 0.17 (B) 0.34 (C) 0.68 (D) 0.95 (E) 0.997