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Get Full Access to Statistics - Textbook Survival Guide
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# The accompanying data came from a study of collusion in

ISBN: 9780321629111 32

## Solution for problem 17E Chapter 1

Probability and Statistics for Engineers and the Scientists | 9th Edition

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Problem 17E

The accompanying data came from a study of collusion in bidding within the construction industry ?("Detection of Collusive Behavior," J. of Construction Etter. and Mgmnt, 2012: 1251-1258). a. What proportion of the contracts involved at most five bidders? At least five bidders? b. What proportion of the contracts involved between five and 10 bidders, inclusive? Strictly between five and 10 bidders? c. Construct a histogram and comment on interesting features.

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Problem 17E Answer: Step1: We have The accompanying data came from a study of collusion in bidding within the construction industry ("Detection of Collusive Behavior," J. of Construction Etter. and Mgmnt, 2012: 1251-1258). No. Bidders No.Contracts 2 7 3 20 4 26 5 16 6 11 7 9 8 6 9 8 10 3 11 2 We need to find, a. What proportion of the contracts involved at most five bidders At least five bidders b. What proportion of the contracts involved between five and 10 bidders, inclusive Strictly between five and 10 bidders c. Construct a histogram and comment on interesting features. Step2: a). The proportion of the contracts involved at most five bidders is given by No. Bidders No.Contracts Relative frequency 2 7 7/108 = 0.064815 3 20 20/108 = 0.185185 4 26 26/108 = 0.240741...

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The accompanying data came from a study of collusion in

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