You may need to use the appropriate appendix table or technology to answer this question. In the spring of 2017 , the Consumer Reports Natichal Research Center conducted a surver of 1,007 adults to leam about their majac heathcare concems. The suver resuls thowed thut sas of the respondents tack confidence they will be able to afford heaith insurance in the future. (b) At 90% confidence, what is the margin of error? (Round your answer to four decimal places.) (c) Develop a 90% contidence interval for the population proportion of adults who lack confidence they wit be able to alford healkh insurance in the future. (Reund veor answer to four deomal places.) (d) Develop a 95.4 confidence interval for this populatice proportion. (Round your answer to four decimal places.)