STATISTICS F/BUSINESS+ECONOMICS-TEXT
STATISTICS F/BUSINESS+ECONOMICS-TEXT
13th Edition
ISBN: 9781305881884
Author: Anderson
Publisher: CENGAGE L
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Chapter 6, Problem 42SE

During early 2012, economic hardship was stretching the limits of France’s welfare system. One indicator of the level of hardship was the increase in the number of people bringing items to a Paris pawnbroker; the number of people bringing items to the pawnbroker had increased to 658 per day (Bloomberg Businessweek, March 5–March 11, 2012). Assume the number of people bringing items to the pawnshop per day in 2012 is normally distributed with a mean of 658.

  1. a. Suppose you learn that on 3% of the days, 610 or fewer people brought items to the pawnshop. what is the standard deviation of the number of people bringing items to the pawnshop per day?
  2. b. On any given day, what is the probability that between 600 and 700 people bring items to the pawnshop?
  3. c. How many people bring items to the pawnshop on the busiest 3% of days?
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Chapter 6 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT

Ch. 6.2 - Given that z is a standard normal random variable,...Ch. 6.2 - Given that z is a standard normal random variable,...Ch. 6.2 - Given that z is a standard normal random variable,...Ch. 6.2 - Given that z is a standard normal random variable,...Ch. 6.2 - Given that z is a standard normal random variable,...Ch. 6.2 - Given that z is a standard normal random variable,...Ch. 6.2 - The mean cost of domestic airfares in the United...Ch. 6.2 - The average return for large-cap domestic stock...Ch. 6.2 - Automobile repair costs continue to rise with the...Ch. 6.2 - The average price for a gallon of gasoline in the...Ch. 6.2 - A person must score in the upper 2% of the...Ch. 6.2 - Television viewing reached a new high when the...Ch. 6.2 - The time needed to complete a final examination in...Ch. 6.2 - The American Automobile Association (AAA) reported...Ch. 6.2 - New York City is the most expensive city in the...Ch. 6.3 - A binomial probability distribution has p = .20...Ch. 6.3 - Assume a binomial probability distribution has p =...Ch. 6.3 - Although studies continue to show smoking leads to...Ch. 6.3 - A CBS News/New York Times survey found that 97% of...Ch. 6.3 - Playing video and computer games is very popular....Ch. 6.3 - The Bank of America trends in Consumer Mobility...Ch. 6.4 - Consider the following exponential probability...Ch. 6.4 - Consider the following exponential probability...Ch. 6.4 - Battery life between charges for the Motorola...Ch. 6.4 - The time between arrivals of vehicles at a...Ch. 6.4 - Comcast Corporation is the largest cable...Ch. 6.4 - Wendys restaurant has been recognized for having...Ch. 6.4 - The Boston Fire Department receives 911 calls at a...Ch. 6 - A business executive, transferred from Chicago to...Ch. 6 - The NCAA estimates that the yearly value of a full...Ch. 6 - Motorola used the normal distribution to determine...Ch. 6 - During early 2012, economic hardship was...Ch. 6 - The port of South Louisiana, located along 54...Ch. 6 - Ward Doering Auto Sales is considering offering a...Ch. 6 - The XO Group Inc. conducted a survey of 13,000...Ch. 6 - Assume that the test scores from a college...Ch. 6 - According to the National Association of Colleges...Ch. 6 - A machine fills containers with a particular...Ch. 6 - Consider a multiple-choice examination with 50...Ch. 6 - A blackjack player at a Las Vegas casino learned...Ch. 6 - The Information Systems Audit and Control...Ch. 6 - The website for the Bed and Breakfast Inns of...Ch. 6 - Do you dislike waiting in line? Supermarket chain...Ch. 6 - The time (in minutes) between telephone calls at...
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