Suppose That

Multiple Choice

Suppose that .06 of each of two populations possess a given characteristic.Samples of size 400 are randomly drawn from each population.The standard deviation for the sampling distribution of differences between the first sample proportion and the second sample proportion (used to calculate the z score) is _______.

A) 0.00300
B) 0.01679
C) 0.05640
D) 0.00014
E) 0.12000