The national average for mathematics on a standardized test in 2011 was 526. Suppose that the distribution of scores was approximately bell-shaped and that the standard deviation was approximately 47. Within what boundaries would you expect 95% of the scores to fall?

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.