P-values and signifi cance, II A test of the null
Chapter 9, Problem 9.32(choose chapter or problem)
P-values and signifi cance, II A test of the null hypothesis H0 : p 5 0.68 yields z 5 2.35. (a) If the alternative hypothesis is Ha : p . 0.68, fi nd the P-value for this test. Is this result signifi cant at the a 5 0.05 level? At the a 5 0.01 level? Explain. (b) If the alternative hypothesis is Ha : p 2 0.68, fi nd the P-value for this test. Is this result signifi cant at the a 5 0.05 level? At the a 5 0.01 level? Explain.
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