Suppose you wish to test the null hypothesis that three binomial parameters pA, pB, and pC are equal versus the alternative hypothesis that at least two of the parameters differ. Independent random samples of 100 observations were selected from each of the populations.

5. Write the null and alternative hypotheses for testing the equality of the three binomial proportions

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Successes Failures Total Population A B C Total 224 24 19 33 76 76 81 67 224 100 100 100 300