In a test of H0: p = 0.2 against H1: p ≠0.2, a sample of size 400 produces Z = .85 for the value of the test statistic. Thus the p-value (or observed level of significance) of the test is approximately equal to:
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The null hypothesis is that the true proportion is 0.2. Show more…
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In a test of H0: p = 0.4 against H1: p ≠0.4, a sample of size 100 produces Z = 1.28 for the value of the test statistic. Thus the p-value (or observed level of significance) of the test is approximately equal to:
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n a test of H0: p = 0.4 against H1: p ≠0.4, a sample of size 100 produces Z = 1.28 for the value of the test statistic. Thus the p-value (or observed level of significance) of the test is approximately equal to
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