?In Problems 9–12, conduct each test at the = 0.05 level of significance by determining (a) the null and alternative hypotheses, (b) the test statisti
Chapter 11, Problem 10(choose chapter or problem)
In Problems 9–12, conduct each test at the = 0.05 level of significance by determining (a) the null and alternative hypotheses, (b) the test statistic, (c) the critical value, and (d) the P-value. Assume that the samples were obtained independently using simple random sampling.
10. Test whether p1 6 p2. Sample data: x1 = 109, n1 = 475, x2 = 78, n2 = 325
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