Statistics for Business & Economics
12th Edition
ISBN: 9781285528830
Author: David R. Anderson
Publisher: Cengage Learning US
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Textbook Question
Chapter 4, Problem 56SE
Cooper Realty is a small real estate company located in Albany, New York, specializing primarily in residential listings. They recently became interested in determining the likelihood of one of their listings being sold within a certain number of days. An analysis of company sales of 800 homes in previous years produced the following data.
- a. If A is defined as the
event that a home is listed for more than 90 days before being sold, estimate theprobability of A. - b. If B is defined as the event that the initial asking price is under $150,000, estimate the probability of B.
- c. What is the probability of A ∩ B?
- d. Assuming that a contract was just signed to list a home with an initial asking price of less than $150,000, what is the probability that the home will take Cooper Realty more than 90 days to sell?
- e. Are events A and B independent?
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Chapter 4 Solutions
Statistics for Business & Economics
Ch. 4.1 - An experiment has three steps with three outcomes...Ch. 4.1 - How many ways can three items be selected from a...Ch. 4.1 - How many permutations of three items can be...Ch. 4.1 - Consider the experiment of tossing a coin three...Ch. 4.1 - Suppose an experiment has five equally likely...Ch. 4.1 - An experiment with three outcomes has been...Ch. 4.1 - A decision maker subjectively assigned the...Ch. 4.1 - In the city of Milford, applications for zoning...Ch. 4.1 - Simple random sampling uses a sample of size n...Ch. 4.1 - Many students accumulate debt by the time they...
Ch. 4.1 - The National Occupant Protection Use Survey...Ch. 4.1 - The Powerball lottery is played twice each week in...Ch. 4.1 - A company that manufactures toothpaste is studying...Ch. 4.2 - An experiment has four equally likely outcomes:...Ch. 4.2 - Consider the experiment of selecting a playing...Ch. 4.2 - Consider the experiment of rolling a pair of dice....Ch. 4.2 - Refer to the KPL sample points and sample point...Ch. 4.2 - To investigate how often families eat at home,...Ch. 4.2 - Do you think the government protects investors...Ch. 4.2 - Fortune magazine publishes an annual list of the...Ch. 4.2 - Data on U.S. work-related fatalities by cause...Ch. 4.3 - Suppose that we have a sample space with five...Ch. 4.3 - Suppose that we have a sample space S = {E1, E2,...Ch. 4.3 - Clarkson University surveyed alumni to learn more...Ch. 4.3 - The U.S. Census Bureau provides data on the number...Ch. 4.3 - Information about mutual funds provided by...Ch. 4.3 - What NCAA college basketball conferences have the...Ch. 4.3 - A survey of magazine subscribers showed that 45.8%...Ch. 4.3 - High school seniors with strong academic records...Ch. 4.4 - Suppose that we have two events, A and B, with...Ch. 4.4 - Assume that we have two events, A and B, that are...Ch. 4.4 - The automobile industry sold 657,000 vehicles in...Ch. 4.4 - Students taking the Graduate Management Admissions...Ch. 4.4 - The U.S. Department of Transportation reported...Ch. 4.4 - According to the Ameriprise Financial Money Across...Ch. 4.4 - Jamal Crawford of the National Basketball...Ch. 4.4 - Visa Card USA studied how frequently young...Ch. 4.4 - Students in grades 3 through 8 in New York State...Ch. 4.5 - The prior probabilities for events A1 and A2 are...Ch. 4.5 - The prior probabilities for events A1, A2, and A3...Ch. 4.5 - A consulting firm submitted a bid for a large...Ch. 4.5 - A local bank reviewed its credit card policy with...Ch. 4.5 - Two Wharton professors analyzed 1,613,234 putts by...Ch. 4.5 - According to the Open Doors 2011 Report, 9.5% of...Ch. 4.5 - In an article about investment alternatives, Money...Ch. 4 - The Wall Street Journal/Harris Personal Finance...Ch. 4 - A financial manager made two new investmentsone in...Ch. 4 - Forty-three percent of Americans use social media...Ch. 4 - A study of 31,000 hospital admissions in New York...Ch. 4 - A telephone survey to determine viewer response to...Ch. 4 - The following crosstabulation shows household...Ch. 4 - An MBA new-matriculants survey provided the...Ch. 4 - Refer again to the data from the MBA...Ch. 4 - In February 2012, the Pew Internet American Life...Ch. 4 - A large consumer goods company ran a television...Ch. 4 - Cooper Realty is a small real estate company...Ch. 4 - A company studied the number of lost-time...Ch. 4 - A survey showed that 8% of Internet users age 18...Ch. 4 - An oil company purchased an option on land in...Ch. 4 - The five most common words appearing in spam...Ch. 4 - Hamilton County Judges Hamilton County judges try...
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