find the null, alternative hypothesis

Managers at an autombile manufact- weing plant would like to examine the (2 ) In the context of this test, what mean completion tine , y of an assembly is a Type 1/ ERROR ? Line operation , The past data indicate a Type 1/ ERROR is ? that the mean completion time is 43 minutes hypothesis that Mis ? but the managers have Reason to believe when , in fact his ? that the value has increased , The managers to perform a statistical test, @) Suppose that the manager decide to After choosing a Random sample of Reject the null hypothesis. What sort assembly line completion tihes, the of eccoR might they be making ? managers compute the sample mean completion time to be 44 minutes. The standard deviation of the population of completion times can be assumed not to have changed from the previously Reported value of leminutes , Base on this information answer the question below , ( what are the null hypothesis ( flo ) and the alternative hypothesis ( H, ) that should be cused for the test ? Ho: Mis 2 Hill is ? over