What is the point estimate of the proportion, Basic Statistics

Assignment Help:

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 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 large a sample is needed if the desired margin of error is .05?

 


Related Discussions:- What is the point estimate of the proportion

Calculate the mean value and variance, 1. Generate 1000 samples for each of...

1. Generate 1000 samples for each of the following discrete random variables: (a). Binomial distribution with n=40, p=0.7, and distr. with n=50, p=0.5 (b). Geometric distribu

Frequency distribution, What happens to the arithmetic mean when you add th...

What happens to the arithmetic mean when you add the same number to all the scores of the distribution?

Do you think the change towards ifrs is a good idea, Do you think the chang...

Do you think the change towards IFRS is a good idea? Manager 1: This change is definitely going to be a very positive change. There are no doubt a lot of advantages that IFRS

Define mean, Explain what central tendency and variability are. In your ans...

Explain what central tendency and variability are. In your answer define what the mean, median, mode, variance, and standard deviation are. What is the difference between the descr

Define payroll accounting, It's a fact of business–if an organization has w...

It's a fact of business–if an organization has workers, it has to account for paycheck and edge advantages. In this description of paycheck bookkeeping we'll present paycheck, e

Recruitment process process map, What are the steps in a recruitment proces...

What are the steps in a recruitment process and who are responsible for each step?

Job order costing, what are the procedure of job order costing

what are the procedure of job order costing

Activity Based Costing, Activity Based Costing, Accounting Traditional cost...

Activity Based Costing, Accounting Traditional cost accounting has been based on allocating a subjective or calculated range of indirect expenses to direct costs. Activity Based Co

Write Your Message!

Captcha
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