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c. What does the result suggest about the rate of 29.2%? 16. Cell Phones and Brain Cancer In a study of 420,095 cell phone users in Denmark, it was found that 135 developed cancer of the brain or nervous system. For those not using cell phones, there is a 0.000340 probability of a person developing cancer of the brain or nervous system. We therefore expect about 143 cases of such cancers in a group of 420,095 randomly selected people. a. Find the probability of 135 or fewer cases of such cancers in a group of 420.095 people. b. What do these results suggest about media reports that indicate cell phones cause cancer of the brain or nervous system