Please help with question 22

My modules business Statistics Final Assessment A cement company needs to transport large volumes of bugged cement from its factory to it warehouse overy devitt enter into a contractual agreement with o trucking company to provide the vehidies and drivers The agreement is roughly summed up by the truck company manager later that day We are giving theme gradi price per up but they must ensure our trucks do not spend an average of more than/ hour loading of the factory or more than ! hour offloading at the warehouse. If we can prove that they are delaying our trucks, we can charge them penalties A few months into the agreement, the trucking company dluime that the Inadding and offloading of books are writing longer then agreed Therefore, a time study is therefore conducted. The loading of 120 trucks was recorded The average loading time was found to be BE minutes, The standard deviation was found to be half an hour A hypothesis test must now be conducted to determine the solidity of the trading company's claim is a one or two-toiled test required in this situation? Justify your