Question 1 and 2 – uploaded documentQuestion 3 – See Below:please select one of the two subjects to discuss.- Use the Internet or Basic Search: Strayer University Online Library to research articles on confidence interval and its application in business. Select one company or organization which utilized confidence interval technique to measure its performance parameters (for example, mean, variance, mean differences between two processes, et cetera). Give your opinion as to whether or not the utilization of such a technique would improve business processes for the company or organization that you selected. Justify your response.- Select one project from your working or educational environment in which you would use the confidence interval technique for the process. Next, speculate on one or two challenges of utilizing such a technique in the process and suggest your strategy to mitigate the challenges in question.