please answer in 10 mins will vote good

Use the following printout to answer the question in the space provided here. (2%6=12%) Please address. at 95% confidence level, whether the average likelihood of recommending Deli Depot to a friend is significantly different from 4.80 , a benchmark set up by the management. In your answer, 1. Specify the average likelihood of recommending Deli Depot to a friend ( 2%), 2. Specify the difference between the average likelihood of recommending Deli Depot to a friend and the benchmark set up by the management ( 2%), 3. State both the null and alternative hypotheses (2%+2%), and 4. Is there a significant difference between the average likelihood of recommending Deli Depot to a friend and the benchmark set up by the management ( 2%) ? Why (2%)