Hello can you please help me solve this math problem please

this question. Will improving customer service result in higher stock prices for the companies providing the better service? "When a company's satisfaction score has improved over the prior year's results and is above the national average (75.5), studies show its shares have a good chance of outperforming the broad stock market in the long run." The following satisfaction scores of three companies for the 4th quarters of two previous years were obtained from an economic indicator. Assume that the scores are based on a poll of 60 customers from each company. Because the polling has been done for several years, the standard deviation can be assumed to equal 6 points in each case. Company Year 1 |Year 2 Company A 73 Company U 75 Company c 77 (a) For Company A, is the increase in the satisfaction score from year 1 to year 2 : (Let u, = the satisfaction score for year 2 and u2 = the satisfaction score for y State the hypotheses. Calculate the test statistic. (Round your answer to two decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value = What is your conclusion? Do not reject Ho. There is sufficient evidence to conclude that the custome Reject Ho. There is sufficient evidence to conclude that the customer servi O Do not reject Ho. There is insufficient evidence to conclude that the custon Reject Ho. There is insufficient evidence to conclude that the customer ser () Can you conclude that the year 2 score for Company A is above the national average of 75.57 Use a = 0.05. State the hypotheses. He: 2 2 75.5 H:u 75.5 He- # # 75.5 H- R - 75.5 Here - 75.5 HI+ 75.5 HeBe