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

Probability, A bag contain 5 white, 7 red and 8 black balls. If four balls ...

A bag contain 5 white, 7 red and 8 black balls. If four balls are drawn one by one without Replacement, find the probability of getting all white balls.

Find the pv of the depreciation tax, PC Shopping Network may upgrade its mo...

PC Shopping Network may upgrade its modem pool. It last upgraded 2 years ago, when it spent $115 million on equipment with a life of 5 years and a salvage value of $15 million. The

Exercises problem solving, a manufacturer claims that 60% of beer drinkers ...

a manufacturer claims that 60% of beer drinkers perfer his beer. A query with 30 beer drinkers selected at random showed that 16 of them prefer this brand.(a.)Does the evidence sup

Total stockholders equity, To determine the amount at which inventory shoul...

To determine the amount at which inventory should be reported on the December 31 Year 1 balance sheet, Monroe Company compiles the following information for its inventory of Produc

Process costing - accounting for scrap.., a company has two processes whose...

a company has two processes whose details are as follows: Materials 3000kg @ k0.30/kg, labour K120 for process 1 and material 2000kg @ k0.40/kg and labour k84 for process 2. actual

Managerial accounting homework, Your friend Jose is trying to decide whethe...

Your friend Jose is trying to decide whether to buy or lease his next vehicle. He has gathered information about each option but is not sure how to compare the alternatives. Purcha

Mean and standard deviation, We have two applicants who are applying for a ...

We have two applicants who are applying for a job. They both took the high school exit exam, but different ones. Shannon took the ACT and scored 26, Frank took the SAT scored 1350.

develop simulation model-compute average amount, Bob Smith recently comple...

Bob Smith recently completed his MBA and accepted a job with a computer company. To ensure that his retirement is comfortable, he intends to invest $3,000 of his salary into a tax

Corlation, 1. Calculate Karl Pearson’s coefficient of correlation between e...

1. Calculate Karl Pearson’s coefficient of correlation between expenditure on advertising (X) and sales (Y) from the data given below: The management decided to stop further expens

Bond Relationship, Bond Relationship A debt gadget issued through a offici...

Bond Relationship A debt gadget issued through a official or just the formal legal procedure and secured either by the pledge of detailed properties or revenues or by the general

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