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21. To test H0 : p = 1.2 vs Ha : n > 1.2 for a normal population, a random sample with sample size n

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To test H0 : p = 1.2 vs Ha : n > 1.2 for a normal population, a random sample with sample size n = 16 is collected with :E : 2.1 and s : 1. Find the observed value of the test statistic. Refer to Question 21. If the alternative hypothesis is changed to Ha : u 79 1.2, what is the scope of the p-value

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