The Results of a Recent Poll on the Preference of Shoppers

Multiple Choice

The results of a recent poll on the preference of shoppers regarding two products are shown below. $$\begin{array} { l l l } \text { Product } & \text { Shoppers Surveyed } & \text { Shoppers Favoring } \\& & \text { This Product } \\\text { A } & 800 & 560 \\\text { B } &900 & 612\end{array}$$
The point estimate for the difference between the two population proportions in favor of this product is

A) .07.
B) .68.
C) .44.
D) .02.