A nationwide survey of medical complaints indicated that 66 out of 150 people in the Southwestern US and 58 out of 160 people in the National Capital Region caught the common cold in 2008. Is this a chance difference? Is the data consistent with the hypothesis that geography plays a role? Test at = .05 19. Select the appropriate null and alternative hypothesis: A. H0: 1 - 2 0; H1: 1 - 2 < 0 B. H0: 1 - 2 0 ; H1: 1 - 2 = 0 C. H0: 1 = 2; H1: 1 2 D. H0: 1 < 2; H1: 1 2.