How sample is needed if the desired margin of error is given

Assignment Help Engineering Mathematics
Reference no: EM131456422

Question: According to Thomson Financial. through January 25. 2006. the majority of companies reporting profits had beaten estimates (BusinessWeek. February 6. 2006). A sample of 162 companies showed that 104 beat estimates. 29 matched estimates, and 29 fell short.

a. What is the point estimate of the proportion that fell short of estimates?

b. Determine the margin of error and provide a 95% confidence interval for the proportion that beat estimates.

c. How hrge a sample is needed if the desired margin of error is .05?

Reference no: EM131456422

Questions Cloud

Labour markets on the organisation human : Select and review 3-5 research-based articles related to organisations and the influence of labour markets on the organisation's human resource supply.
Determine how dissatisfied employees were with their jobs : Towers Perrin, a New York human resources consulting firm. conducted a survey of 1100 employees at medium-sized and large companies.
Visual displays of data in regression analysis : Explain the benefits of using visual displays of data in regression analysis. Address specifically the use of a scatterplot and a plot of residuals.
In which way are tsunamis similar to wind-generated waves : In which way are tsunamis SIMILAR to wind-generated waves? Which statement best describes how longshore currents are generated?
How sample is needed if the desired margin of error is given : According to Thomson Financial. through January 25. 2006. the majority of companies reporting profits had beaten estimates (BusinessWeek. February 6. 2006).
Necessitating new structural designs for organizations : Briefly list and describe 1 major change necessitating new structural designs for organizations.
Customers dealing more directly with the company : What is meant by customers dealing more directly with the company? What are examples of this? How does increasing customer satisfaction increase market share?
Discuss methods of transport planning process : Discuss methods of transport planning process and highway planning strategies - Apply and evaluate methods of analysis of highway traffic and signalized intersections.
Estimate the current proportion of health care insurance : The percentage of No not covered by health caw insurance in 2003 was 15.6% (Si/nis-i/cc/Abstract of the United States. 2006).

Reviews

Write a Review

Engineering Mathematics Questions & Answers

  Prime number theorem

Dirichlet series

  Proof of bolzano-weierstrass to prove the intermediate value

Every convergent sequence contains either an increasing, or a decreasing subsequence.

  Antisymmetric relations

How many relations on A are both symmetric and antisymmetric?

  Distributed random variables

Daily Airlines fies from Amsterdam to London every day. The price of a ticket for this extremely popular flight route is $75. The aircraft has a passenger capacity of 150.

  Prepare a system of equations

How much money will Dave and Jane raise for charity

  Managing ashland multicomm services

This question is asking you to compare the likelihood of your getting 4 or more subscribers in a sample of 50 when the probability of a subscription has risen from 0.02 to 0.06.]  Talk about the comparison of probabilities in your explanation.

  Skew-symmetric matrices

Skew-symmetric matrices

  Type of taxes and rates in spokane wa

Describe the different type of taxes and their rates in Spokane WA.

  Stratified random sample

Suppose that in the four player game, the person who rolls the smallest number pays $5.00 to the person who rolls the largest number. Calculate each player's expected gain after one round.

  Find the probability density function

Find the probability density function.

  Develop a new linear programming for an aggregate production

Linear programming applied to Aggregate Production Planning of Flat Screen Monitor

  Discrete-time model for an economy

Discrete-time model for an economy

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