Intro Stats, Books a la Carte Edition (5th Edition)
5th Edition
ISBN: 9780134210285
Author: Richard D. De Veaux, Paul Velleman, David E. Bock
Publisher: PEARSON
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Chapter 14, Problem 59E
Chips Ahoy! In 1998, as an advertising campaign, the Nabisco Company announced a “1000 Chips Challenge,” claiming that every 18-ounce bag of their Chips Ahoy! cookies contained at least 1000 chocolate chips. Dedicated statistics students at the Air Force Academy (no kidding) purchased some randomly selected bags of cookies and counted the chocolate chips. Some of their data are given below.
- a) Check the assumptions and conditions for inference. Comment on any concerns you have.
- b) Create a 95% confidence interval for the average number of chips in bags of Chips Ahoy! cookies.
- c) What does this confidence interval say about Nabisco’s claim?
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Chapter 14 Solutions
Intro Stats, Books a la Carte Edition (5th Edition)
Ch. 14.2 - Every 10 years, the United States takes a census....Ch. 14.2 - Prob. 2JCCh. 14.2 - Prob. 3JCCh. 14.2 - Every 10 years, the United States takes a census....Ch. 14.2 - Prob. 5JCCh. 14.3 - Prob. 6JCCh. 14 - Salmon A specialty food company sells whole King...Ch. 14 - LSAT The LSAT (a test taken for law school...Ch. 14 - Prob. 3ECh. 14 - Prob. 4E
Ch. 14 - More tips The waiter in Exercise 3 usually waits...Ch. 14 - More groceries Suppose the store in Exercise 4 had...Ch. 14 - Prob. 7ECh. 14 - t-models, part II Using the t tables, software, or...Ch. 14 - t-models, part III Describe how the shape, center,...Ch. 14 - Prob. 10ECh. 14 - Prob. 11ECh. 14 - Home sales again In the previous exercise, you...Ch. 14 - Prob. 13ECh. 14 - Salaries A survey finds that a 95% confidence...Ch. 14 - Cattle Livestock are given a special feed...Ch. 14 - Prob. 16ECh. 14 - Prob. 17ECh. 14 - Student survey revisited Chapter 2, Exercise 86...Ch. 14 - Prob. 19ECh. 14 - Prob. 20ECh. 14 - Meal plan After surveying students at Dartmouth...Ch. 14 - Prob. 22ECh. 14 - Prob. 23ECh. 14 - Crawling Data collected by child development...Ch. 14 - Prob. 25ECh. 14 - Credit card charges A credit card company takes a...Ch. 14 - Prob. 27ECh. 14 - Pulse rates In the latest National Health and...Ch. 14 - Prob. 29ECh. 14 - Parking Hoping to lure more shoppers downtown, a...Ch. 14 - Prob. 31ECh. 14 - Prob. 32ECh. 14 - Speed of light In 1882, Michelson measured the...Ch. 14 - Michelson After his first attempt to determine the...Ch. 14 - Prob. 35ECh. 14 - Prob. 36ECh. 14 - Prob. 37ECh. 14 - Hot dogs A nutrition lab tested 40 hot dogs to see...Ch. 14 - Prob. 39ECh. 14 - Prob. 40ECh. 14 - Prob. 41ECh. 14 - Computer lab fees The technology committee has...Ch. 14 - Prob. 43ECh. 14 - CEO compensation The total compensation of the...Ch. 14 - Prob. 45ECh. 14 - CEOs, revisited In Exercise 44, you looked at the...Ch. 14 - GPAs A colleges data about the incoming freshmen...Ch. 14 - Prob. 48ECh. 14 - Lucky spot? A reporter working on a story about...Ch. 14 - Prob. 50ECh. 14 - Pregnancy Assume that the duration of human...Ch. 14 - Rainfall Statistics from Cornells Northeast...Ch. 14 - Prob. 53ECh. 14 - Prob. 54ECh. 14 - Prob. 55ECh. 14 - Doritos Some students checked 6 bags of Doritos...Ch. 14 - Prob. 57ECh. 14 - Prob. 58ECh. 14 - Chips Ahoy! In 1998, as an advertising campaign,...Ch. 14 - Yogurt Consumer Reports tested 11 brands of...Ch. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - Prob. 63ECh. 14 - Wind power Should you generate electricity with...
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