Question: A random sample of n1 650 individuals results in
A random sample of n1 = 650 individuals results in x1 = 156 successes. An independent sample of n2 = 550 individuals results in x2 = 143 successes. Does this represent sufﬁcient evidence to conclude that p1 < p2 at the α = 0.05 level of signiﬁcance?
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