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Suppose we want to test Ho: p = 0.4 against H1: p > 0.4. The sample proportion is 0.45 from a random sample of size

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Suppose we want to test Ho: p = 0.4 against H1: p > 0.4. The sample proportion is 0.45 from a random sample of size n = 200. It is confirmed that sample size large enough to conduct a large-sample z test. Calculate the test statistics. [Hints: the test statistics for hypothesis test of population proportion is Z p -Po .] stat Polo

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