A machine in a factory is supposed to fill vials with approximately 50mL of a liquid. The quality control manager wants to test whether the machine is working properly. If the machine is found to be over or under-filling then the assembly line will need to be shut down so that it can be re-calibrated.

a. State the Null and Alternative Hypotheses to the scenario using the correct symbols

Note: You can access special symbols by clicking on thebutton.