The monthly incomes (in $1000 ) from a random sample of workers in a factory are shown below. A. Compute the standard error of the mean (in dollars) (Round to two decimal places. B. Compute the margin of error (in dollars) at 95% confidence. Round to two decimal places. C. Compte a 95% confidence interval for the mean of the population. Assume the population has a normal distribution. Give your answer in dollars. I. Lower bound (Round to two decimal places) II. Upper bound (Round to two decimal places) stiv