As part of a recent survey, 990 out of 1500, 20 year old women preferred Mcdonald's Waffle Egg Sandwich, (MWES). 970 out of 1600, 40 year old women preferred the MWES Based on the survey data, at a 0.01 level of significance, is it reasonable to conclude the proportion of 20 year women who prefer the MWES is larger than 40 year old women? Question 2: Pcombined = O (990 + 970) + (1500 + 1600) 990 + 1500 O (970 + 1600) 970 + 3100