The accompanying data came from a study of collusion in bidding within the construction industry. No. Bidders No. Contracts 2 3 20 24 18 13 10 4 11 A USE SALT

MATLAB: An Introduction with Applications
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The accompanying data came from a study of collusion in bidding within the construction industry.
No. Bidders
No. Contracts
2
3
20
24
5
18
13
9
6
10
11
A USE SALT
(a) What proportion of the contracts involved at most five bidders? At least five bidders? (Round your answers to four decimal places.)
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? (Round your answers to four decimal places.)
between five and 10 bidders, inclusive
strictly between five and 10 bidders
Construct a histogram/bar
30
30
15
15
15
2 3 4 5 6 7 8 9 10 11
3 45 6 7 8 9 10 11
2 3 45 67 8 9 10 11
2 3 4 5 6 7 8 9 10 11
Number of hidders
Number of hidders
Number of hidders
Number of bidders
Frequency
Frequency
Frequency
Frequency
Transcribed Image Text:The accompanying data came from a study of collusion in bidding within the construction industry. No. Bidders No. Contracts 2 3 20 24 5 18 13 9 6 10 11 A USE SALT (a) What proportion of the contracts involved at most five bidders? At least five bidders? (Round your answers to four decimal places.) 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? (Round your answers to four decimal places.) between five and 10 bidders, inclusive strictly between five and 10 bidders Construct a histogram/bar 30 30 15 15 15 2 3 4 5 6 7 8 9 10 11 3 45 6 7 8 9 10 11 2 3 45 67 8 9 10 11 2 3 4 5 6 7 8 9 10 11 Number of hidders Number of hidders Number of hidders Number of bidders Frequency Frequency Frequency Frequency
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