Consider the following hypotheses: Ho: p ā„ 0.38 ŠŠ“: Ń < 0.38 Which of the following sample information enables us to reject the null hypothesis at a = 0.01 and at a = 0.10? (You may find it useful to reference the appropriate table: z table or ttable) (Round all intermediate calculations to at least 4 decimal places.) a. x = 22; n = 74 b. x = 110; n = 300 p=0.34; n = 50 d. p = 0.34; n = 400 Ī± = 0.01 Ī± = 0.10
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The formula for the z-statistic is: $$z = \frac{\hat{p} - p_0}{\sqrt{\frac{p_0(1-p_0)}{n}}}$$ where: * $\hat{p}$ is the sample proportion * $p_0$ is the hypothesized proportion * n is the sample size Show moreā¦
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