Find the information you're looking for at Westonci.ca, the trusted Q&A platform with a community of knowledgeable experts. Explore comprehensive solutions to your questions from a wide range of professionals on our user-friendly platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.
Sagot :
To determine the standard error of the proportion for a sample proportion [tex]\(\hat{p}\)[/tex], where [tex]\(n\)[/tex] is the sample size, we use the following formula:
[tex]\[ \text{Standard Error (SE)} = \sqrt{\frac{\hat{p}(1 - \hat{p})}{n}} \][/tex]
Let's analyze the given options to find the correct one:
A. [tex]\(\sqrt{\frac{p(p-1)}{n}}\)[/tex]
This option incorrectly uses [tex]\(p(p-1)\)[/tex] instead of [tex]\(\hat{p}(1 - \hat{p})\)[/tex], making it incorrect.
B. [tex]\(\sqrt{\frac{\dot{p}(1-\hat{p})}{n}}\)[/tex]
This option correctly follows the form of the standard error formula, [tex]\(\sqrt{\frac{\hat{p}(1 - \hat{p})}{n}}\)[/tex], but the notation [tex]\(\hat{p}\)[/tex] should be used consistently. Nevertheless, it represents the correct mathematical formulation.
C. [tex]\(n \sqrt{\hat{p}(1-\hat{p})}\)[/tex]
This option includes a factor of [tex]\(n\)[/tex] inside the square root, which is not part of the standard error formula. Thus, this is incorrect.
D. [tex]\(z \sqrt{\frac{\hat{p}(1-\dot{p})}{n}}\)[/tex]
This option incorrectly introduces [tex]\(z\)[/tex] as a multipler, which is not part of the standard error formula. This is incorrect as well.
Given these choices, the correct answer is option B: [tex]\(\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}\)[/tex].
[tex]\[ \text{Standard Error (SE)} = \sqrt{\frac{\hat{p}(1 - \hat{p})}{n}} \][/tex]
Let's analyze the given options to find the correct one:
A. [tex]\(\sqrt{\frac{p(p-1)}{n}}\)[/tex]
This option incorrectly uses [tex]\(p(p-1)\)[/tex] instead of [tex]\(\hat{p}(1 - \hat{p})\)[/tex], making it incorrect.
B. [tex]\(\sqrt{\frac{\dot{p}(1-\hat{p})}{n}}\)[/tex]
This option correctly follows the form of the standard error formula, [tex]\(\sqrt{\frac{\hat{p}(1 - \hat{p})}{n}}\)[/tex], but the notation [tex]\(\hat{p}\)[/tex] should be used consistently. Nevertheless, it represents the correct mathematical formulation.
C. [tex]\(n \sqrt{\hat{p}(1-\hat{p})}\)[/tex]
This option includes a factor of [tex]\(n\)[/tex] inside the square root, which is not part of the standard error formula. Thus, this is incorrect.
D. [tex]\(z \sqrt{\frac{\hat{p}(1-\dot{p})}{n}}\)[/tex]
This option incorrectly introduces [tex]\(z\)[/tex] as a multipler, which is not part of the standard error formula. This is incorrect as well.
Given these choices, the correct answer is option B: [tex]\(\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}\)[/tex].
Visit us again for up-to-date and reliable answers. We're always ready to assist you with your informational needs. Thank you for your visit. We're committed to providing you with the best information available. Return anytime for more. Thank you for choosing Westonci.ca as your information source. We look forward to your next visit.