Let p1 and p2 be the respective proportions of women with
iron-deficiency anemia in each of two developing countries. A
random sample of 2000 women from the first country yielded 439
women with iron-deficiency anemia, and an independently chosen,
random sample of 1700 women from the second country yielded 316
women with iron-deficiency anemia. Can we conclude, at the 0.05
level of significance, that the proportion of women with anemia in
the first country is greater than the proportion of...