The production follows the normal distribution with the u = 400 and o = 16. The mean number of units produced last year was equal to 203.5 during the sampled 50 weeks. Recently, new production methods and procedures were added. The management would like to find out whether there has been a change in the weekly production after these changes were made. Test at a = 0.01 whether the production level is different from 400. What are the following values: critical, test statistic, should Ho be rejected? select that apply: -2.5758,2.5758 0 -86.8416 1 1.96 0 -1.96 1.1466 2.1314 0 -2.1314 2.5731 0 Reject Ho Do not reject Ho None of these