1.The Super Duper Burger Joint advertises that you will have a great meal fast!The manager wishes to determine if complaints that he has received as to the amount of time that it takes to get an order is justified.The company standard is a mean of 20 minutes. His staff claims they deliver in less than that. He does a sample of 25 randomly selected orders and finds that they are delivered within a mean of 19 minutes with a standard deviation of 5 minutes after being placed.Test the employee claim for him at the .05 level of significance.Be sure to show your hypothesis.What do you conclude?Would your results change if you used a .01 significance level?