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Question: can someone explain each part of this...

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98. The tail area above a test statistic value of z- 1.812 is 0.035. Determine whether each of the following statements is true or false. A) If the alternative hypothesis is of the form Ha: μ> μ , the data are statistically significant at significance level α 0.05. B) If the alternative hypothesis is of the form Ha: μ > μ, the data are statistically significant at significance level α-0.10. C) If the alternative hypothesis is of the form Ha: o, the data are statistically significant at significance level α-0.05. D) If the alternative hypothesis is of the form Ha: μ μο, the data are statistically significant at significance level a 0.10.

Can someone explain each part of this?

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