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

Question

1 Approved Answer

a sample of 81 observations is taken from a normal population with standard deviation of 5. the mean sample is 40. determine the 95% confidence

a sample of 81 observations is taken from a normal population with standard deviation of 5. the mean sample is 40. determine the 95% confidence interval for the population mean.

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_2

Step: 3

blur-text-image_3

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

Linear Algebra A Modern Introduction

Linear Algebra A Modern Introduction

Authors: David Poole

3rd edition

9781133169574 , 978-0538735452

More Books

Students also viewed these Mathematics questions

Question

answers are all in the pictures but I have to submit the work on an excel instead of sending it from my iPad notes that I do with a apple pen Just need someone to copy all the answers and type them...

Answered: 1 week ago

Question

Hi I need help with this practice exam, thank you! Question 1 (1 point) Exhibit 8-12 In order to estimate the average time spent on an exam at a local university, data were collected from a sample of...

Answered: 1 week ago

Question

1) Exhibit 9-31 n =64 H 0 : =60, X bar=64.8 H a : 60 =24 Refer to Exhibit 9-31. The p -value is equal to _____. Question 1 options: .2698 .0548 .2302 .1096 Question 2 In stats we can either use a...

Answered: 1 week ago

Question

★★★★★
A trader has made a sale of Rs.75,500 out of which cash sales amounted to Rs.25,500. He showed trade receivables on 31-3-2014 at Rs.25,500. Which concept is followed by him? a) Going concern b) Cost...

Answered: 1 week ago

Question

★★★★★
Baxter Company's merchandise inventory at the start of 2014 was $85,000. The company purchased inventory during 2014 in the amount of $323,000, and its inventory at the end of the year was$102,000....

Answered: 1 week ago

Question

★★★★★
Explain the effects of a tariff on domestic production, the quantity bought, and the price.

Answered: 1 week ago

Question

★★★★★
6. Contrast and compare the RNR and GLM models of rehabilitation.

Answered: 1 week ago

Question

★★★★★
On April 18, Riley Co. made a short- term investment in 300 common shares of XLT Co. The purchase price is $ 42 per share and the brokers fee is $ 250. The intent is to actively manage these shares...

Answered: 1 week ago

Question

★★★★★
2. XYZ sells a single product. The following data are available for the month of December 2019. - Selling price per unit: OMR30 - Number of units manufactured and sold during the month: 5000 -...

Answered: 1 week ago

Question

★★★★★
Page Next Page Page 8 of 10 Question 15 (2 points) Listen Calculate gross profit margin given the following information: sales = $1,200; cost of goods sold = $450; general and administrative costs =...

Answered: 1 week ago

Question

★★★★★
Design Arts Associates is an interior decorating firm in San Mateo. The following data are available in the firm's contract to redecorate the mayor's office for 2020: Purchases of raw materials of...

Answered: 1 week ago

Question

★★★★★
Why should you not attempt to fix a hacked computer, device, or work account by yourself? You do not have the administrative privileges needed to decrypt the system. Patches required for updating the...

Answered: 1 week ago

Question

★★★★★
You're the project manager of an AI system designed to diagnose problems with fertilization in a large community of farmers. You've hired agricultural experts; experts in the Python, Java, and Lisp...

Answered: 1 week ago

Question

★★★★★
Cost of goods sold (COGS): $70 Direct labor: $20 Direct materials used (DM): $15 Overhead applied at 200% of DM: 200% * $15 = $30 Cost of goods manufactured (COGM): $80 Work in process beginning...

Answered: 1 week ago

Question

★★★★★
As more employees are working remotely, organizations want to ensure they are complying with the HIPAA Security Rule and properly secure PHI being transferred between the employee and the...

Answered: 1 week ago

Question

★★★★★
Im working with Python in Jupyter Notebook and Im trying to write a function that can open the files Ex_grid.txt or Ey_grid.txt then load the data in the files and close the files. I then want to use...

Answered: 1 week ago

Question

★★★★★
Provide a draft/outline of legal research involving an indigenous Canadian woman charged with assault causing bodily harm under (Sec 267b) of the Criminal Code, where the crown wants a 12-month jail...

Answered: 1 week ago

Question

★★★★★
=+b) What is meant by the power of the test the company conducts?

Answered: 1 week ago

Question

★★★★★
=+c) Why did you probably not need to find the lower critical value in b) to reach your conclusion?

Answered: 1 week ago

Question

★★★★★
=+b) How many degrees of freedom are associated to the t-statistic? Find the 0.005 lower critical value for this t-statistic and state your conclusion about the delivery times.

Answered: 1 week ago

Previous Question Next Question