Widows A recent study indicated that 19% of the 132 women over age 55 in the study were widows. Round up your answers to the next whole number for the following questions. Part: 0 / 2 Part 1 of 2 How large a sample must you take to be 90% confident that the estimate is within 0.05 of the true proportion of women over age 55 who are widows? n= X 5