How do I find the Critical Value?

Statistics testing the hypothesis to find critical value?

  • Suppose that all assumptions are met for you test the hypotheses H0: p = .25. a. What is the critical value if HA: p ≠ .25 and α = .05? b. What is the critical value if HA: p > .25 and α = .05? c. What is the critical value if HA: p < .25 and α = .05? d. What is the critical value if HA: p ≠ .25 and α = .01?

  • Answer:

    a) z = ± 1.96 b) z = 1.645 c) z = -1.645 d) z = ± 2.575

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a) z = ± 1.96 b) z = 1.645 c) z = -1.645 d) z = ± 2.575

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