A manager would like to estimate the average amount spent by a couple for dinner at his restaurant. A random sample of 30 couples provided a sample mean per couple of $78.25. Assume that the population standard deviation per couple is $22.50. Compute and explain a 95% confidence interval estimate of the population mean. show work.

Select the correct answer. the word intestate means that a person has died with or without a will?

Anita has been named ceo of a popular sports apparel company. as ceo, she is tasked with setting the firm's corporate strategy. which of the following decisions is anita most likely to makea) whether to pursue a differentiation or cost leadership strategy b) which customer segments to target c) how to achieve the highest levels of customer satisfaction d) what range of products the firm should offer

Dan mcclure is trying to decide on how many copies of a book to purchase at the start of the upcoming selling season for his bookstore. the book retails at $28.00. the publisher sells the book to dan for $20.00. dan will dispose of all the unsold copies of the book at 75 percent off the retail price, at the end of the season. dan estimates that demand for this book during the season is normal with a mean of 100 and a standard deviation of 42. a. how many books should dan order to maximize his expected profit? b. given the order quantity in part a, what is dan's expected profit? c. the publisher's variable cost per book is $7.50. given the order quantity in part a, what is the publisher's expected profit?