Question

In: Statistics and Probability

In a study of 420 comma 083 cell phone​ users, 139 subjects developed cancer of the...

In a study of 420 comma 083 cell phone​ users, 139 subjects developed cancer of the brain or nervous system. Test the claim of a somewhat common belief that such cancers are affected by cell phone use. That​ is, test the claim that cell phone users develop cancer of the brain or nervous system at a rate that is different from the rate of​ 0.0340% for people who do not use cell phones. Because this issue has such great​ importance, use a 0.001 significance level. Identify the null​ hypothesis, alternative​ hypothesis, test​ statistic, P-value, conclusion about the null​ hypothesis, and final conclusion that addresses the original claim. Use the​ P-value method and the normal distribution as an approximation to the binomial distribution.

What is the test​ statistic?

Determine the​ P-value.

Use the results of the hypothesis test to conclude whether evidence exists to support the original claim that cell phone users develop cancer of the brain or nervous system at a rate that is different from the rate of those who use them

Solutions

Expert Solution

No, rate is not different


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