Which of the following are hypotheses used in two-population tests for differences between proportions?

A. H0: P1 = P2 and H1: P1 < P2
B. H0: P1 < P2 and H1: P1 = P2
C. H0: P1 > P2 and H1: P1 < P2
D. H0: t1 = t2 and H1: t1 < t2


A. H0: P1 = P2 and H1: P1 < P2

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