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Chapter 1: Problem 9

A building contractor has a chance to buy an odd lot of 5000 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 5000 bricks. Instead, she checks 100 bricks to determine whether each is cracked. Describe the population and sample for this problem.

Short Answer

Expert verified
The population is the 5000 used bricks while the sample consists of the 100 bricks that the contractor inspected.

Step by step solution

01

Identify the population

The population in this context is all the 5000 used bricks from which the contractor wants to buy.
02

Identify the sample

The sample is the 100 bricks that the contractor checks from the population to determine if they are cracked or not.

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Give a brief definition of the terms population and sample.

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