Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

A researcher is interested in estimating the noise levels in decibels at the area urban hospitals. She desires to be 99% confident that her estimate is correct. If the standard deviation is 4.8, how large the sample is required to get the desired information to be accurate in 0.60 decibels? Show all work.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M917267

Have any Question? 


Related Questions in Statistics and Probability

1 one factor in determining the shelf life of a dry cereal

1) One factor in determining the shelf life of a dry cereal is the moisture content.  Since standard packaging techniques do not completely prevent cereal from absorbing moisture, the longer it stays on the shelf, the mo ...

1 here are several situations in which there is an

1. Here are several situations in which there is an incorrect application of the ideas in statistical inference. Write a sentence or two in each case explaining what is wrong and why it is wrong. (a) A significance test ...

Many grocery stores and large retailers such as wal-mart

Many grocery stores and large retailers such as Wal-Mart and K-Mart have installed self checkout systems so shoppers can scan their own items and cash out themselves. How do customers like this service and how often do t ...

In this exercise we consider a situation with n men and n

In this exercise we consider a situation with n men and n women. (a) Prove that if in stage t of the men's courtship algorithm, a particular man is dismissed for the (n - 1)-th time, then the algorithm terminates at stag ...

An auditor claims that the average annual salary of a

An auditor claims that the average annual salary of a project manager at a construction company exceeds $82,000. A random sample of 20 project managers had an average salary of $89,600 with a sample standard deviation of ...

Starting in 1998 a series of credit card usage studies have

Starting in 1998, a series of credit card usage studies have been performed by Sallie Mae, a major provider of educational loans and savings programs. In a recent pilot study, a random pool of 122 loan applicants attendi ...

1 what kind of variance does the mean square within-groups

1. What kind of variance does the mean square within-groups (MS wg ) reflect? 2. The sum of squares between-groups (SS bg ) reflects the degree to which the condition means vary around the __________.

A researcher conducted an experiment on the effects of a

A researcher conducted an experiment on the effects of a new "drug" depression. The researcher had a control group, and an experimental group that received nothing, a placebo group, and an experimental group that receive ...

What would the null and alternate hypothesis be for the

What would the null and alternate hypothesis be for, " The airlines claim that complaints average less than 15 per month per airport. To investigate the problem an independent watchdog agency contacted a random sample of ...

How did some indian religious leaders add certain christian

How did some Indian religious leaders add certain Christian teachings to their traditional beliefs?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro