how to solve a,b,c,d??

The #MeToo movement is approaching its 5-year mark, leaving behind a trail of headlines and toppled media stars. Researchers are interested in the lasting impact the movement has on sexual harassment in the workforce. In a recent poll conducted by the Gallup Organization from a sample of 6,251 adults in the United States, 3,250 respondents believe that "in the long run, the increased focus on sexual harassment and assault" actually will have a lasting impact on the workforce. Find a 99% confidence interval for the population proportion of Americans who feel this way about the #MeToo movement. Write a statement that verbally interprets this confidence interval. What is the error for the confidence interval you found in part a? d. Walmart, the largest employer in the United States conducted a survey and stated that 60% of Americans believe that the efforts of the #MeToo movement will have a lasting impact on sexual harassment in the workplace. Based on your confidence interval, then what would you say to Walmart and why