Student Solutions Manual for Basic Business Statistics
13th Edition
ISBN: 9780321926708
Author: David M. Levine; Mark L. Berenson; Timothy C. Krehbiel; Kathryn A. Szabat; David F. Stephan
Publisher: Pearson Education
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Chapter 18, Problem 8CRP
Professional basketball has truly become a sport that generates interest among fans around the world. More and more players come from outside the United States to play in the National Basketball Association (NBA). Many factors could impact the number of wins achieved by each NBA team. In additional to the number of wins, the file NBA 2012 contains team statistics for points per game (for team, opponent, and the difference between team and opponent, and the difference between team and opponent), field goal (shots made) percentage (for team, opponent), and the difference between team and opponent), turn-overs (losing the ball before a shot is taken) per game (for team, opponent, and the difference between team and opponent), and the rebound percentage. You want to be able to predict to predict the number of wins. Completely analyze the data.
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Two measurements are made of some quantity. For the first measurement, the average
is 74.4528, the RMS error is 6.7441, and the uncertainty of the mean is 0.9264. For the
second one, the average is 76.8415, the standard deviation is 8.3348, and the uncertainty of
the mean is 1.1448. The expected value is exactly 75.
13. Express the first measurement in public notation.
14. Is there a significant difference between the two measurements?
1
15. How does the first measurement compare with the expected value?
16. How does the second measurement compare with the expected value?
A hat contains slips of paper numbered 1 through 6. You draw two slips of paper at random from the hat,without replacing the first slip into the hat.(a) (5 points) Write out the sample space S for this experiment.(b) (5 points) Express the event E : {the sum of the numbers on the slips of paper is 4} as a subset of S.(c) (5 points) Find P(E)(d) (5 points) Let F = {the larger minus the smaller number is 0}. What is P(F )?(e) (5 points) Are E and F disjoint? Why or why not?(f) (5 points) Find P(E ∪ F )
In addition to the in-school milk supplement program, the nurse would like to increase the use of daily vitamin supplements for the children by visiting homes and educating about the merits of vitamins. She believes that currently, about 50% of families with school-age children give the children a daily megavitamin. She would like to increase this to 70%. She plans a two-group study, where one group serves as a control and the other group receives her visits. How many families should she expect to visit to have 80% power of detecting this difference? Assume that drop-out rate is 5%.
Chapter 18 Solutions
Student Solutions Manual for Basic Business Statistics
Ch. 18 - In many manufacturing processes, the term...Ch. 18 - Many factors determine the attendance at Major...Ch. 18 - The �le EuroTouism2 contains a sample of 27...Ch. 18 - The �le Philly contains a sample of 25...Ch. 18 - Professional basketball has truly become a sport...Ch. 18 - The data in UsedCars represent characteristics of...Ch. 18 - A study was conducted to determine whether any...Ch. 18 - Zagat’s publishes restaurant rating for various...Ch. 18 - The data in the file BankMarketing are from a...Ch. 18 - Prob. 13CRP
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