Solutions-Tutorial-3

Solutions-Tutorial-3 - 4.9 The manager of a clothing store...

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AB103 – Statistical and Quantitative Methods Solutions - Tutorial 3 Chapter 3 (MBS) 3.80
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3.82
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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.
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Unformatted text preview: 4.9 The manager of a clothing store might be concerned with the number of employees on 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) 4.104 (pages 240-242) Optional Exercises Chapter 4 (MBS) 4.20 (page 201) A graph of the probability distribution is: 4.48 (page 216) 4.106 (page 242)...
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Solutions-Tutorial-3 - 4.9 The manager of a clothing store...

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