Calculate the 95% margin of error in estimating a hinomial proportion for each oF the Following Values of n. Use p = 0.5 to calculate the standard error oF the estimabor. (Round your answers to three decimal places.) (a) n=20 You may need to use the appropriate appendix table or technology to answer this question. M EN DSTAT1II- 8. E.DI 7. ASK YOUR TEACHER An increase in the rate of oonsumer savings is Frequently tied to a lack of confidence in the economy and is said to he an indicabor of a recessional tendency in tile economy. A landom sampling oF n = 270 savings accounts in a local community showed a mean increase in savings account VBIUE of7.l% over the past 12 months, with a standard deviation of 5.6%. Estimabe the mean percent Increase In savings account values over [M Points] Hie past 12 months for depositors in the community. |:| % Find the 95% margin of error (in %) for your estimabe. {Round your answer to three decimal places.) |:| % You may need to use the appropriate appendix table or technology to answer this