A building contractor has a chance to buy an odd lot of 1,000 used bricks at an auction. She is interested in determining the proportion of bricks in the lot that are cracked and therefore unusable for her current project, but she does not have enough tir inspect all 1,000 bricks. Instead, she checks 150 bricks to determine which ones are cracked. What is the population of interest? all building contractors all 1,000 bricks in the lot the rest of the 850 bricks the 150 bricks selected for inspection the rest of the 700 bricks What group constitutes the sample? the 150 bricks selected for inspection all building cor ctors the rest of the 700 bricks all 1,000 bricks in the lot the rest of the 850 bricks

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 3CST
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A building contractor has a chance to buy an odd lot of 1,000 used bricks at an auction. She is interested in determining the
proportion of bricks in the lot that are cracked and therefore unusable for her current project, but she does not have enough time to
inspect all 1,000 bricks. Instead, she checks 150 bricks to determine which ones are cracked.
What is the population of interest?
all building contractors
all 1,000 bricks in the lot
the rest of the 850 bricks
the 150 bricks selected for inspection
the rest of the 700 bricks
What group constitutes the sample?
the 150 bricks selected for inspection
all building contractors
the rest of the 700 bricks
all 1,000 bricks in the lot
the rest of the 850 brickS
Submit Answer
Transcribed Image Text:A building contractor has a chance to buy an odd lot of 1,000 used bricks at an auction. She is interested in determining the proportion of bricks in the lot that are cracked and therefore unusable for her current project, but she does not have enough time to inspect all 1,000 bricks. Instead, she checks 150 bricks to determine which ones are cracked. What is the population of interest? all building contractors all 1,000 bricks in the lot the rest of the 850 bricks the 150 bricks selected for inspection the rest of the 700 bricks What group constitutes the sample? the 150 bricks selected for inspection all building contractors the rest of the 700 bricks all 1,000 bricks in the lot the rest of the 850 brickS Submit Answer
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