1. Determine the hypothesis to find the difference between the statistical scores in the JVRA and TRVQ classes. 2. A beverage company ensures that the average content of its cans is 200 ml. If the company wants to test whether it fits all the average contents of the can is 200 ml, then the null and alternative hypotheses are ... 3. Determine the hypothesis that the lifetime of an xyz-ray lamp is 3750 hours with a sample of 30 lamps.