2 points) In preparation of wage negotiations with the union, the managers for the Bevel Hardware Company want to establish the time required to assemble a kitchen cabinet. A first line supervisor believes that the job should take 45 minutes on average to complete. A random sample of 125 cabinets has an average assembly time of 47 minutes with a population standard deviation of 10 minutes. Is there overwhelming evidence to contradict the first line supervisor's belief at 0.05 significance level? Run hypothesis testing for population mean, using test-statistic method. In the procedure, answer the following. null hypothesis, alternative hypothesis, test statistic you selected to use, and the reason the value of computed "test statistic", critical value, decision, conclusion.