Solutions-Tutorial-3

Solutions-Tutorial-3 - duty at a specific time of day, or...

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AB103 – Statistical and Quantitative Methods Solutions - Tutorial 3 Chapter 3 (MBS) 3.80
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3.82 Chapter 4 (MBS) 4.6 A banker might be interested in the number of new accounts opened in a month, or the number of mortgages it currently has, both of which are discrete random variables. 4.7 An economist might be interested in the percentage of the work force that is unemployed, or the current inflation rate, both of which are continuous random variables. 4.8 The manager of a hotel might be concerned with the number of employees on duty at a specific time, or the number of room vacancies there are on a certain night. 4.9 The manager of a clothing store might be concerned with the number of employees on
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Unformatted text preview: duty at a specific time of day, or the number of articles of a particular type of clothing that are on hand. 4.10 A stockbroker might be interested in the length of time until the stockmarket is closed for the day. 4.28 (page 203) Firm B faces greater risk of physical damage because it has a higher variance and standard deviation. 4.46 4.50 (pages 216-217) 4.94 4.104 (pages 240-242) Optional Exercises Chapter 4 (MBS) 4.20 (page 201) A graph of the probability distribution is: 4.30 (pages 203) 4.48 (page 216) 4.106 (page 242)...
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This note was uploaded on 03/21/2010 for the course BIZ ab103 taught by Professor Woo during the Spring '10 term at Nanzan.

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Solutions-Tutorial-3 - duty at a specific time of day, or...

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