i would like some assistance

Which of the following is/ are TRUE? I: A machine is set to produce no more than (maximum) 7 per- cent defective items when properly adjusted. After the machine had been in operation for some time, a sample of 100 items were tested. Ten defective items were observed. The hypotheses for this situation are Ho : p 0.07 II: An engineer hypothesizes that the mean number of defects can be decrease in a manufacturing process of compact discs by us- ing robots instead of humans for certain tasks. The mean number of defective discs per 300 is 5. The hypotheses for this situation are Ho : H 2 5 H1: H