A Researcher Is Interested in Estimating the Difference in Two

Multiple Choice

A researcher is interested in estimating the difference in two population proportions.A sample of 400 from each population results in sample proportions of .61 and .64.A 90% confidence interval for the difference in the population proportions is _______.

A) -0.10 to 0.04
B) -0.09 to 0.03
C) -0.11 to 0.05
D) -0.07 to 0.01
E) -0.08 to 0.12