Your restaurant believes that the average bill for a party of four exceeds $100. To test this a random sample of 25 parties is selected. The average bill comes to $108 with a variance of $225. a . Set...

Your restaurant believes that the average bill for a party of four exceeds $100.  To test this a random sample of 25 parties is selected.  The average bill comes to $108 with a variance of $225.

1. 
   
   a. Set up hypotheses to see if the average bill exceeds $100.


2. 
   
   b. Report your result along with the p value or alpha (Type I error)  level of your choosing.


3. 
   c. Offer your conclusions.