1 YEYOTROPUR Widows A recent study indicated that 21% of the 151 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 estimates within 0.05 of the true proportion of women over age 55 who are widows? SaveForce Submit