As a stock analyst, your boss, Jerry, has asked you to compile some information on stock of Southern Infrastructure Corporation including a 95% condence interval for the mean daily return that he needs to include in a report to senior management. He says that he is also not sure exactly what a 95% condence interval means and would like you to add an explanation. You have been following the share price of Southern Infrastructure Corporation and have recorded the daily return {as a percentage) for the last 120 days. The data is presented here: Daily returns (\"70) 0.526 1.385 1.237 1.155 1.034 0.684 0.212 0.626 1.22 0.755 -0.137 1.117 1.724 0.872 1.756 1.894 1.476 1.629 1.095 -0.128 0.438 2.58 1.324 1.664 0.367 1.714 -0.106 1.09 1.364 1.979 2.159 0.903 0.476 -0.382 0.794 1.047 1.153 3.066 1.113 0.511 2.329 0.298 2.405 -0.612 1.824 0.73 1.734 1.986 0.448 0.573 2.286 1.651 1.868 0.808 1.444 0.483 1.123 1.9 1.231 0.799 0.857 0.106 0.291 1.037 0.741 1.541 2.221 1.161 0.867 2.177 1.359 1.543 1.179 2.452 2.849 1.902 1.34 0.87 0.579 1.204 2.509 0.234 1.372 2.165 0.195 1.442 0.399 1.587 2.325 0.913 0.219 1.346 1.726 0.629 0.982 1.787 1.904 0.914 0.494 1.584 1.433 2.361 -0.167 1.142 0.667 1.678 0.147 1.406 1.206 1.127 0.448 2.77 1.537 1.204 2.098 1.38 1.745 1.28 1.852 1.249 Historically, the standard deviation in daily retum for this stock is 0.8%. Complete the report to your boss. Give your numeric answers to 3 decimal places. Download the data Sent: Julyr 17, 2021 11:10 AM To: Jerry Kendall Subject: Southern Infrastructure Corp. stock info Dear Jerry, Here are the results gathered from the collected data: Assuming a population standard deviation in daily return of 0.8%, the 95% condence interval for the mean daily return is: WEE b) This means that 0 approximately 95% of sample means will be within the interval given above 0 using a process that gives conect results in 95% of cases, the population mean daily return is within the interval given above 0 the population mean daily return is denitely within the interval given above 0 on approximately 95% of days in a given period the stock makes a return within the interval given above