The federal government would like to test the hypothesis that the average age of men filing for social security is higher than the average age of women set using alphaequals0.05 with the data below. if population 1 is defined as men and population 2 is defined as women, determine the 90% confidence interval for the difference in population means. men women sample mean 64.5 years 63.6 years sample size 35 39 population standard deviation 3.0 years 3.5 years a. (0.75, 1.05) b. (0.52, 1.28) c. (minus0.34, 2.14) d. (minus1.37, 3.17)