What is the observed test statistic for this test?
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Q: What is the observed test statistic for this test?
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Suppose we want to test the null hypothesis H0 : p = 0.60 against the alternative hypothesis Ha : p < 0. Suppose also that we observed 12 successes in a random sample of 20 subjects and the level of significance is 0.01. What is the observed test statistic for this test?
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