User Account

All Pages

Estimating the size of a sample to study

Assignment Help Basic Statistics
Reference no: EM13828908

An insurance company is trying to estimate the average number of sick days that full-time food service workers use per year. A pilot study found the standard deviation to be 2.5 days. How large a sample must be selected if the company wants to be 95% confident of getting an interval that contains the true mean with a maximum error of 1 day?

Additional Information

This kinds of problem is a part of Statistics and it is about estimating the average number of sick days that a full time food service workers take per year. For this study, an approximate size of the sample needs to be decided.

Reference no: EM13828908

Questions Cloud

Difference between capital gains tax rate-income tax rate : The difference between the capital gains tax rate and the income tax rate is an incentive for
Estimating the percentage of youngsters between 16-0 driving : estimating the percentage of youngsters between 16-0 driving
Topics on human resource management : Write a research proposal on one of the topics on human resource management for about 1500 words.
Economic consequences to the employees : You are the benefits manager at a medium-sized corporation and the president of the company has requested your advice. She overheard an employee saying that the employer spends too much money on benefits that aren’t really needed and that giving empl..
Estimating the size of a sample to study : Estimating the Size of a Sample to Study
Describe the field of finance-financial goal of a business : Describe the field of finance. How is it different from the field of accounting? What are the three forms of business generally encountered in the US? What are the main defining characteristics of each? What should be the basic financial goal of a bu..
Trends in organizational behaviour : Write a report on one of the trends in organizational behaviour which has been growing in the recent years with annotated bibliography.
Difference between men and women running marathon : Difference Between Men and Women Running Marathon
Determine the yield-to-maturity-high and low market price : Recently the high and low market prices of Canadian Pacific Limited’s debentures (see problem 1) were $790 and $475, respectively. Determine the yield-to-maturity of one of these debentures if it was purchased under the following conditions: At the h..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Testing the claim for the mean waiting time

Her mean waiting time was 7.4 minutes. Assume that the standard deviation has been historically known to be 2.2 minutes. At the .05 significance level, test the claim that the mean waiting time is less than 10 minutes.

  A study found that the average time it took a person to

a study found that the average time it took a person to find a new job was 3.5 months. if a sample of 30 job seekers

  Confidence interval for proportion of adults

The confidence interval for proportion of adults who approve of the candidate is ____

  Transform the utility values using a linear equation ux aux

question consider two lotteriesl1 0.5 1000 0.2500 0.2300 0.1 200 l2 0.6 800 0.1600 0.3 100a using an exponential

  Cases of pancreatic cancer during a certain month

A large medical center's oncology program reported in increased # of cases of pancreatic cancer during a certain month.

  If dana-farber faculty or staff worker goes in for a tb

the faculty and staff at dana-farber cancer institute in boston are required to undergo a tuberculosis test each year.

  Would you recommend making the orientation program

Over the past few years the percentage of students who leave Lakeland College at the endof the first year has increased. Last year Lakeland started a voluntary one-week orientationprogram to help first-year students adjust to campus life.

  F-statistic and the y intercept

In a regression analysis, three independent variables are used in the equation based on a sample of forty observations. What are the degrees of freedom associated with the F-statistic?

  Suppose an urn contains 7 red balls 7 green balls and 7

suppose an urn contains 7 red balls 7 green balls and 7 blue balls where the balls of each color are labeled with the

  What is the variance standard deviation and range

What is the Variance, Standard Deviation and Range of the following set of scores? 20,24,26,22,18,16,18 and then 10,15,12,18,19,16,12

  Find test value for hypothesis for average cost of books

This semester a sample of 45 students revealed an average cost of books of $395 per student. The Dean of Students believes that the costs are greater this semester. What is the test value for this hypothesis.

  By the central limit theorem the sampling distribution of

by the central limit theorem the sampling distribution of x1 - x2 isa. approximately normal for small samplesb.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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