Question

X 8.4.46-T Question Help to the A bank report looks at what strategies and measures financial institutions are pursuing to provide mobile financial services to their customers. In a response to a survey question about barriers hindering water consumer adoption of mobile banking in a survey of 123inancial s tors, 83 said security concerns aber 74 said lack of trust in the technology is a barrier and 23 d u ty of use was a barrier Complete parts a) through di below. a. Construct a 80% confidence intervalimate of the population proportion of financial institutions who said that security concom wa bamirhindeng greater consume adoption of mobile banking SSL Round to three decimal places as needed)

Answer 1

= 0.675 -0.069 2012= 20.05 = 1.64 Ans - n=123, Security concern are a barrier (X) = 03 P = $ 0 = 0.675 90 % confidence interval for population proportion Lower Limita Ô - E l = 0.10% (From Z-table) ILL = 0.606 Margin of Error (E) : Upper Limit = Ô + E = 0.675. 7.0.069 € -1.64 0.675(1-61675) LUL = 0.744) 123 E=0.0692 30% contidence Interval for TE=0.0697 population proportion who said security concern are a barriera (0.606 <P 40.744) E = 212 [PCI-E