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.The point estimate of the difference in the population proportions is _______.

A) -0.030
B) 0.625
C) 0.000
D) 0.400
E) 0.500