Exam (elaborations)

STA1501 ASSESSMENT 4 OF 2024 EXPECTED QUESTIONS AND ANSWERS

0 purchase

Institution
University Of South Africa (Unisa)

THIS DOCUMENT CONTAINS CAREFULLY WORKED OUT STA1501 ASSESSMENT 4 OF 2024 EXPECTED QUESTIONS AND ANSWERS. USE IT CORRECLTY AS A GUIDE TO SCORE ABOVE 75% IN THE ASSESSMENT

[Show more]

Preview 4 out of 37 pages

View example

Uploaded on June 29, 2024
Number of pages 37
Written in 2023/2024
Type Exam (elaborations)
Contains Questions & answers

sta1501 assessme nt 4

oscardiura Member since 3 year 5680 documents sold

310

118

152

129

A simple random sample of 300 was drawn from a binomial process in which the
population proportion p = 0.4. The probability P (0.38 < p ̂ < 0.42) is

Select one:
1. 0.9616.
OSCAR THE TUTOR
2. 0.4721. 0737560989
FORFAC,ECS,MAC,DSC,TAX,FIN,INV,QMI,STA,BNU,M
3. 0.0283. N
B,MNG tutoring
4. 0.5222.

5. 0.0446.

Clear my choice

Next page

Contact us

,According to a company, about 3.4% of the items are wrong priced when scanned at a retail checkout
counter. A researcher randomly selected and purchased 600 items, and he found that 15 of the 600 were
incorrectly priced by the checkout scanner. The probability that more than 2.5% of the items would be
incorrectly priced when they are scanned is

Select one:
1. 0.8888.

2. 0.1151.
3. 0.0888.
4. 0.1539.

5. 0.1112.

OSCAR THE TUTOR
0737560989
FORFAC,ECS,MAC,DSC,TAX,FIN,INV,QMI,STA,BNU
MN
B,MNG tutoring

,A simple random sample with n = 200 is drawn from a binomial
distribution in which the population proportion is p = 0.6. Let p ̂
represent the sample proportion.
The probability P (p ̂ = 0.5) is

Select one:
1. 0.0000.
2. 0.0019.

3. 0.0183.
4. 0.9981.
5. 0.6541.

Clear my choice

Previous page Next page

Contact us

Follow us

You are logged in a

, According to a company, about 3.4% of the items are wrong priced when
scanned at a retail checkout counter. A researcher randomly selected
and purchased 600 items, and he found that 15 of the 600 were
incorrectly priced by the checkout scanner. The test statistic for the
proportion of the items that would be incorrectly priced when they are
scanned is

Select one:
1. 1.6221.

2. 0.0074.
3. 0.0025.
4. -1.2162.

5. 0.034.

Clear my choice

Previous page Next page

Contact us

The benefits of buying summaries with Stuvia:

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

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

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 this summary from?

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

Will I be stuck with a subscription?

No, you only buy this summary for R95,00. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

68175 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 15 years now

Start selling

Exam (elaborations)

STA1501 ASSESSMENT 4 OF 2024 EXPECTED QUESTIONS AND ANSWERS

Document information

Subjects

Written for

Seller

Reviews received

Content preview