"J.C. Daly, co-owner of the J-T Pub, believes his business sells an average of 17 pints of Border Ale daily.His partner, Tessie Grimes, thinks this estimate is wrong.A random sample of 36 days shows a mean sales of 15 pints and a sample standard deviation of 4 pints.Test the accuracy of Daly's opinion at the .10 level of significance" (Sanders & Smidt, 2000).

i. State the null and alternative hypothesis in symbols and in words.