Question

WIRtEF 2019 Fully Unline Mat 150 (Intro to Statistics) Section 0503 sherly Hernandez &I 1/17/19 5:14 AM Homework: Chapter 7: Estimates and Sample Sizes Score: 0 of 1 pt 7.2.35 11 of 20 (9 complete) v Score: 22.5%, 4.5 of 20 pts Question Help A study of 420,033 cell phone users found that 130 of them developed cancer of the brain or nervous system. Prior to this study of cell phone use, the rate of such cancer was found to be 0020596 for those not using cell phones. Complete parts (a) and (b). a use the sample data to construct a 95% confidence interval estimate o the percentage of cell phone users who develop cancer o he ran or nervous system. hep-C)%.) (Round to three decimal places as needed.) , Enter your answer in the edit fields and then click Check Answer Clear All part remaining 5:14 6 2

Answer 1

Ven = o.ooo3oa Co.ooo. 2 5 6 3042, o.ooo36269ς숨 O3 6 26S8