Queetion He A study of 420,084 cell phone users found that 139 of them developed cancer of the brnin or nervous system. Prior to this study of cell phone use, the rate of such cancer was found to be 0.0429% for those not uning oell phones. Com (a)and (b). a Use the sample data to construct a 95% confidence interval estimate of the percentage of cell phone users who develop cancer of the brain or nervous system. (Round to three decimal places as needed.) b. Do cell phone users appear to have a rate of cancer of the brain nervous system that is different from the rate such cancer among those not using cell phones? Why or why not? OA Yes, because 0.0429% is not indluded in the confidence interval. OB. No, because 0.0429% is included in the confidence interval OC. No, because 0.0429% is not included in the confidence interval. OD. Yes, because 0.0429% is included in the confidence interval. Click to select your answerlsl Exit Honorlock MacBook Air

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.