Question

E NEW VORK Sports Teams, Score × 。(96) Seki'o is the Las est Souls C x Course Report l Mat Lyrix Onlin < * Cur ulatie Ch pter Dight Evalue X С https://www.mathlynxcom/online/collabstat confidence eval cum?mode evalacourse id-79 Problem 2 Suppose that several insurance companies conduct a survey. They randomly surveyed 400 drivers and found that 280 claimed to always buckle up We are inleresled in the populalion pruportion of drivers who claimi lo lways buckle up. Expand Al a. (20) - c 20) The standard deviation for p- d.120) The ะ value fora 95% confidence interval is (20) Construct a 95% confidence interval for the population proportion that claim to always buckle rill in the blanks to clarily the following diagram. LL Oower limitD UL (upper limit) O Type here to search 8:53 4/5/2019 “一脈

Answer 1

Col) Loo -0 229 Cd) 식 ο, : o.os l'o-S -Z-/-1.96 :)Zvalueer.%, 0.70 ± 0.04488 orre l.AAL : o. 규4