FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A random sample of 125 observations yields a confidence interval with a margin of error of 60. In a new study we would like to

image text in transcribed

image text in transcribed
A random sample of 125 observations yields a confidence interval with a margin of error of 60. In a new study we would like to estimate the same population parameter with a margin of error of 20 (a third of the old margin of error). How many observations should we sample for this new study

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Directed Algebraic Topology And Concurrency

Directed Algebraic Topology And Concurrency

Authors: Lisbeth Fajstrup, Eric Goubault, Emmanuel Haucourt, Samuel Mimram, Martin Raussen

1st Edition

3319153986, 9783319153988

More Books

Students also viewed these Mathematics questions

Question

★★★★★
Where in the balance sheet do we report natural resources? Provide at least three examples of natural resource assets.

Answered: 1 week ago

Question

★★★★★
What tips would you offer a buyer who is about to begin negotiating the purchase of an existing business?

Answered: 1 week ago

Question

★★★★★
1. Write test instructions on the board or on the test itself instead of giving them orally.

Answered: 1 week ago

Question

★★★★★
Angelo Lemay borrowed $8000 from his credit union. He agreed to repay the loan by making equal monthly payments for five years. Interest is 9% compounded monthly. (a) What is the size of the monthly...

Answered: 1 week ago

Question

★★★★★
Question 14 Arabian Gulf Corporation reports the following stockholders' equity section on December 31, 2020. Common stock; $10 par value; 500,000 shares authorized; 200,000 shares issued and...

Answered: 1 week ago

Question

★★★★★
The shareholders' equity of Deer Ltd. at the end of 2020 and 2019 appeared as follows: 2020 2019 Share capital, preferred shares, $2 cumulative, 2,000,000 shares authorized, 25,600 shares issued...

Answered: 1 week ago

Question

★★★★★
At the end of October, Margaretlamented the company's situation: in the middle of production of Sheffield-T's most popular long-sleeve T-shirt, the company ran out of its usual collars, purchased...

Answered: 1 week ago

Question

★★★★★
A student calculated an average value of 4289 for a Boyle's law constant k. Based on the number of significant figures in the measured quantities, how many significant figures should this result have...

Answered: 1 week ago

Question

★★★★★
What is the difference between a population parameter and a sample statistic?

Answered: 1 week ago

Question

★★★★★
a) Batu Kawi and FGB Berhad are operated in the same industry. The table below shows the monthly prices of these two corporations for seven months period (from December 2019 to June 2020). The...

Answered: 1 week ago

Question

★★★★★
How does the he Organization strengths depend on the specific stakeholders and team members

Answered: 1 week ago

Question

★★★★★
How does your brain come up with new ideas?

Answered: 1 week ago

Question

★★★★★
Explain each phase of the creative process.

Answered: 1 week ago

Question

★★★★★
What is the difference between divergent and convergent thinking? Why are these important skills?

Answered: 1 week ago

Previous Question Next Question