45 seconds QUESTION 11 Arr in car factory, we have many shift supervisor whorn the distribution of their wobbly wagon follows the home thurston wine tunisia. a moan in 500, and a standard deviation is 50 Calculate me average weekly wage? (Round answer to two decimal places ex. 2,09) QUESTION 12 Kona, a photocopy company plans to estimate the mean of visitors to its shop. There was a previous study that showed that the sandand deviation is 63, with confidence level 95 percent and allowable error of 2 Based on that, the required sample size to estimate the population mean is equal to