Question

Lilian's favorite magazine published 505050 issues last year, and each issue contained approximately 250250250 pages. She wants to take a cluster random sample of about 1{,}0001,0001, comma, 000 total pages to estimate what proportion of all pages contained an advertisement.

Answer 1

Answer:

a. Randomly select 4 issues, and examine every page in those issues

Step-by-step explanation:

Based on the information given the since each of the issue contained 250 pages in which

She as well wants to take a RANDOM SAMPLE of 1,000 total pages which means that the best strategies that will accomplish HER INTENDED DESIGN is for her to RANDOMLY SELECT 4 ISSUES and thereby examine every of the page in those issues. The RANDOM SAMPLE numbers of issue to select is calculated using this formula

Random sample=Total pages /Number of pages

Let plug in the formula

Random sample=1,000/250

Random sample=4 issues

Therefore the strategies that will accomplish HER INTENDED DESIGN is for her to RANDOMLY SELECT 4 ISSUES, AND EXAMINE EVERY PAGE IN THOSE ISSUES.

Answer 2

The proportion of the pages that are involved in the advertisement would be:

A). Randomly select 4 issues, and examine every page in those issues.

Given that,

Total pages = 250

Sample opted randomly = 50

As we know,

Random sample $= Total pages /Number of pages$

= $1,000/250$

∵ Random sample $= 4$

Therefore,

4 samples are opted randomly and every page is evaluated in these concerns.

Thus, option A is the correct answer.

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