4 Independent random samples of 280 and 350observations were selected from binomial
Chapter 9, Problem 44(choose chapter or problem)
4 Independent random samples of 280 and 350observations were selected from binomial populations1 and 2, respectively. Sample 1 had 132 successes, andsample 2 had 178 successes. Do the data present sufficientevidence to indicate that the proportion of successesin population 1 is smaller than the proportion inpopulation 2? Use one of the two methods of testingpresented in this section, and explain your conclusions.
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