(1 point) The table below shows the probability distribution of job satisfaction scores (1 - 4) for a group of executives. A score of 1 indicates strong dissatisfaction with their jobs; a score of 4 indicates strong satisfaction with their jobs. Note that you must complete both parts a. and b. to receive any marks for the remaining parts of this question. a. Complete the missing value in the following table. Round to at least FIVE decimals if necessary. Job satisfaction score Probability of score 1 0.21 2 i 3 0.12 4 0.48 b. What is the expected iob satisfaction score for this group of executives? Answer: Do NOT round your answer! c. What is the standard deviation of the job satisfaction score for this group of executives? Answer: Bound to at least FIVE decimals if necessary (1. Suppose an executive expects to earn an additional 4200 dollars per year for each job satisfaction score point. The executive also will receive a xed 200 dollar yearly raise and will have an extra 400 dollar cost per year for living adjustment. What is the expected yearly earnings for this executive? Answer: Bound to at least FIVE decimals if necessary