Part 2

Widows A recent study indicated that 33% of the 115 women over age 55 in the study were widows. Round up your answers to the next whole number for the following questions. Parte: Part 1 of 2 How large a sample must you take to be 90% confident that the estimate is within 0.02 of the true proportion of women over age 55 who are widows? n 0 X Parte: Part 2 of 2 If no estimate of the sample proportion is available, how large should the sample be? n X 5 Continuar Entregar la activ