Estimate of the population mean water usage

Assignment Help Finance Basics
Reference no: EM131721910

1. A recent report stated that 15% (0.15) of all men in the U.S. are left-handed. A random sample of 250 men is selected to further study this question.

A. What is the Shape, Mean (expected value) and standard deviation of the sampling distribution of the sample proportion for samples of size 250?

B. What is the probability that the sample proportion for a sample of size 250 is greater than 10% (0.10)?

C. What is the probability that the sample proportion for a sample of size 250 is between 12% (0.12) and 18% (0.18)?

HTML EditorKeyboard Shortcuts

2. To study water usage in a town, a Manager selected a random sample of 22 households and found a sample mean usage of 346.2 gallons of water per day with a sample standard deviation of 50.5 gallons. Compute and explain a 95% confidence interval estimate of the population mean water usage per day.

3. What is the minimum sample size needed to estimate the population mean salary of a company at 95% confidence with a margin of error of $1,500? Assume that the population standard deviation is known to be $6,500.

Reference no: EM131721910

Questions Cloud

How to install a change on a set of computers : Changing the information in a router can be tricky because it is impossible to change all routers simultaneously. Investigate algorithms that guarantee.
Draw a uml class diagram to support your claim : Identify one or two key distinctions within that class that would prompt you to create subclasses instead of fields
Calculate the total relevant cost : Steele Bicycle Manufacturing Company currently produces the handlebars used in manufacturing its bicycles, Calculate the total relevant cost
Four-step assembly operation with quality problems. : Consider the following four-step assembly operation with quality problems. All resources are staffed by one employee.
Estimate of the population mean water usage : Compute and explain a 95% confidence interval estimate of the population mean water usage per day.
Investigate algorithms used to exchange routing information : In an internet, routers periodically exchange information from their routing tables, making it possible for a new router to appear and begin routing packets.
What investments has company made in affiliated companies : What investments has the company made in affiliated companies? How are consolidated and equity methods of accounting different?
Discuss about the pictures of frogs in different habitats : Frogs has a lot of vivid and detailed pictures of frogs in different habitats. The book is inviting with a lot of action shots and pictures of different frogs.
What design capacity and what is its effective capacity : What design capacity would be needed to achieve an actual output of 13 jobs per week? What is its effective capacity?

Reviews

Write a Review

Finance Basics Questions & Answers

  Financial reporting and analysis

Finance is about Gunns Ltd, a company in dealing with forestry products in Australia. The company has also been listed in Australian Stock Exchange. As many companies producing forestry products, even Gunns Ltd is facing various problems. Due to the ..

  A report on financial accounting

This report is specific for a core understanding for Financial Accounting and its relevant factors.

  Describe the types of financial ratios

Describe the types of financial ratios and other financial performance measures that are used during venture's successful life cycle.

  Differences between sole proprietorship and corporation

Briefly describe the major differences between a sole proprietorship and a corporation

  Prepare a cash budget statement

Calculate the expected value of the apartment in 20 years' time. What is the mortgage loan repayment at the beginning of each month

  What are the implied interest rates

What are the implied interest rates in Europe and the U.S.?

  State pricing theory and no-arbitrage pricing theory

State pricing theory and no-arbitrage pricing theory

  Small business administration

Identify the likely stage for each venture and describe the type of financing each venture is likely to be seeking and identify potential sources for that financing.

  Effect of financial leverage

The Effect of Financial Leverage and working capital management

  Evaluate the basis for the payment to the lender

Evaluate the basis for the payment to the lender and basis for the payment to the company-counterparty.

  Importance of opps, ipps, mpfs and dmepos

Research and discuss the differences and importance of : OPPS, IPPS, MPFS and DMEPOS.

  Time value of money

Time Value of Money project

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd