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Set the null and alternative hypothesis

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Reference no: EM132902031

In a study of 420,019 cell phone users, 172 of the subjects developed brain cancer. Test the claim that cell phone users developed brain cancer at a greater rate than that for non-cell phone users (the rate of brain cancer for non-cell phone users is 0.0340%). Since this is a critical issue, use a 0.005 significance level. Explain why the significance level should be so low in terms of a Type I error.

Set the Null and Alternative Hypothesis

Decide the level of significance and draw the graph showing the critical value.

Calculate sample parameters and the test statistic

Compare test statistic and the critical values

Reference no: EM132902031

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