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STAT 206 Spring 2018 Ashwin Luther&3/18/18 3:30 AM ab Stati Homework: Homework8 - Sections 8.1-8.3 orses Score: 0 of 2 pts se Home 8.3.28-T 읊。 15 of 17 (8 complete) HW Score: 25%, 9 of 36 pts tions company wants to estimate the proportion of households that would purchase an aditional telephone line if it were made available at a -Question Help | * 19A t ntially reduced installation cost. Data are collected from a r es & Tests additional telephone line at a reduced installation cost. Complete parts (a) and (b) below andom sample of 500 households. The results indicate that 190 of the households would purchase the a. Construct a 99% confidence interval estimate for the population proportion of households that would purchase the additional telephone line books (Round to four decimal places as needed.) r Contern r Succe e Option Enter your answer in the edit fields and then click Check Answer ools part remaining Clear All pe here to search 3:30 A

b. How would the manager in charge of promotional programs concerning residential costumers use the results in a.

Answer 1

P= (0-324), o,4359 )