Question 2 (9 points): The table below shows the monthly wages from a random sample of the employees of a big company. Assume the population has a normal distribution. Give your answer in dollars. Monthly wage (In $) 4000 5000 7000 4000 6000 6000 7000 7000 5300 a. 5. Compute the standard error of the sample mean (in dollars). Show your work. (4 points). Compute the margin of error of the population mean (in dollars) at 95% confidence. Show your work. (3 points). Compute a 99% confidence interval for the population mean. Show your work. (2 points).