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.

Suppose the P-value is calculated to be 0.0008

What would your decision be for this test using=0.05?

• accept the null or reject the null or fail to reject the null

What would the conclusion be in terms of the acupuncturist's claim. according to the info provided and assuming no errors were made.