How can we solve this problem? Please also explain how each step is done

6.48 2010 Healthcare LaW. On June 28, 2012 the U.S. Supreme Court upheld the much debated 2010 healthcare lav}, declaring it constitutional. A Gallup poll released the day after this decision indicates that > 46% of 1,012 Americans agree with this decision. At a 95% condence level, this sample has a. 3% margin of error. Based on this information, determine if the following statements are true or false, and explain your reasoning.\" ' (a) We are 95% condent that between 43% and 49% of Americans in this sample support the decision of the U.S. Supreme Court on the 2010 healthcare law. (b) We are 95% condent that between 43% and 49% of Americans support the decision of the U.S. Supreme Court on the 2010 heelthcare law. - ' . (c) If we considered n'isny random samples of 1,012 Americans. and we calculated the sample proportions of those who support the decision of the U.S. Supreme Court, 95% of those sample proportions will be between 43% and 49%. (d) The margin of error at a 90% condence level would be higher than 3%