What percent of a group of people are women with red hair? Based on question stem there is not much work that can be performed prior to evaluating the 2 statements. However, it may be helpful to understand that to determine the percent of a group you must have a value for the part and for the whole or the % of the part of the whole.
(1) Of the women in the group, 5 percent have red hair. - I/S - We don't know what % (part) of women represent of the whole even though we know what percent of the women have red hair. In addition we don't know have many classifications are in the group - is it men & women, men, women and children. Lots of unknowns.
(2) Of the men in the group, 10 percent have red hair. I/S - from the stmt. we know that there are men in the group but we still don't what % (part) of group (whole) men represents. We could back solve to determine the % of women. Therefore another insufficient stmt. Taking both stmts together, its still I/S. We don't know the size of the group, % or value that are women or men. If we had that information we could solve because we known what percent of women have red hair based on stmt 1. So Answer is E.
Difficulty level seems appropriate - 550.
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