90% 5. The owner of a bistro called First Crush in Potsdam, NY was interested in studying the tipping patterns of his customers. He collected 157 restaurant bills over a two-week period that he believes provide a good sample of his customers. The mean tip amount was $3.85. A bootstrap distribution for this data is shown. StatKey Confidence Interval for a Mean, Median, Std. Dev. Resturant Tips (Tip) ~ Show Data Table Edit Data Upload File Change Column(s) Generate I Sample Generate 10 Samples Generate 100 Samples Generate 1000 Samples Reset Plot Bootstrap Dotplot of Mean ~ Len Tall Two- Tail ) Right Tail samples - 3606 myM -3.845 itd error = 0195 4-6 3.845 (a) What is the population? [2 pts] (b) What is the sample? [2 pts] (c) What is the parameter of interest? (This should be a (d) What is the sample statistic we use to estimate this description in words.) [2 pts] parameter? (This needs the correct notation and a numerical value.) [1 pts] (e) What does each dot on the plot represent? [2 pts] (f) Find a 95% confidence interval for the mean (g) Use a clear, complete sentence to interpret the tip amount for all customers. (Show all work!) confidence interval formed. [2 pts] [3 pts]