100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
STA2023 Quiz 6 Study Guide Rated A $14.99   Add to cart
Quickly navigate to
Preview
  2.  
  3. NUR MISC
  4.  
  5. NUR MISC

Exam (elaborations)

STA2023 Quiz 6 Study Guide Rated A
 6 views  0 purchase
  • Course
  • NUR MISC
  • Institution
  • NUR MISC

STA2023 Quiz 6 Study Guide Rated A+ Suppose 60% of American adults believe Martha Stewart is guilty of obstruction of justice and fraud related to insider trading. We will take a random sample of 100 American adults and ask them the question. Then the sampling distribution of the sample proportion...

[Show more]

Preview 1 out of 1  pages

Document information

  • April 4, 2024
  • 1
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • sta2023
  • quiz
  • study

Written for

  • NUR MISC
All documents for this subject (401)

Seller

avatar-seller
Academik001

Reviews received

Content preview

STA2023 Quiz 6 Study Guide Rated A+

1). Suppose 60% of american adults believe martha stewart is guilty of obstruction of justice
and fraud related to insider trading. we will take a random sample of 100 american adults
and ask them the question. then the sampling distribution of the sample proportion of people
who answer yes to the question is:

 Ans: approximately Normal, with mean 0.6 and standard error 0.04899.


2). Suppose that 76% of americans prefer coke to pepsi. a sample of 80 was taken. what is the
probability that at least seventy percent of the sample prefers coke to pepsi?

 Ans: 0.896


3). Nine percent of americans say they are well informed about politics in comparison to most
people. you randomly sample 200 americans and ask if they believe that they are well
informed about politics in comparison to most people. what is the probability that less than
8% of the people sampled will answer yes to the question?

 Ans: 0.3121


4). Suppose that 76% of americans prefer coke to pepsi. a sample of 200 was taken. what is the
probability that at least sixty eight percent of the sample prefers coke to pepsi?

 Ans: 0.9960


5). As the sample size increases, the standard error of the sampling distribution of the sample
proportion decreases.

 Ans: True


6). If "np is greater than or equal to 15" and "n(1-p) is greater than or equal to 15", then the
sampling distribution of the sample proportion is approximately _______ .

 Ans: Normal




PaperStoc.com Page 1 of 1

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller Academik001. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $14.99. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67096 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$14.99
  • (0)
  Add to cart