Progressive Insurance Would Like to Test the Hypothesis That a Difference

Progressive Insurance would like to test the hypothesis that a difference exists in the proportion of students in 12^th grade who text while driving when compared to the proportion of 11th grade drivers who text. A random sample of 160 12^th grade students found that 84 texted while driving. A random sample of 175 11^th grade students found that 70 texted while driving. If Population 1 is defined as 12^th grade drivers and Population 2 is defined as 11^th grade drivers, the 95% confidence interval for the difference in population proportions is ______.

A) (- 0.119, 0.369)
B) (0.018, 0.231)
C) (- 0.037, 0.287)
D) (0.103, 0.147)