In a study of 420,087 cell phone users, 108 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...