Widows A recent study indicated that 26% of the 95 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 95% confident that the estimate is within 0.05 of the true proportion of women over age 55 who are widows? n - 296 Part: 1/2 Part 2 of 2 If no estimate of the sample proportion is available, how large should the sample be?