What sample size will be necessary

Assignment Help Basic Statistics
Reference no: EM131405330

A simple random sample is to be drawn from a population of 800. In order to have 95% confidence that the sampling error in estimating π is no more than 0.03, what sample size will be necessary?

Reference no: EM131405330

Questions Cloud

Difference between a null and an alternative hypothesis : What is the difference between a null hypothesis and an alternative hypothesis? Is the null hypothesis always the same as the verbal claim or assertion that led to the test? Why or why not?
Identify and explain the maximum likely error in the study : A research firm has found that 39% of U.S. adults in the over-$75,000 income category work at least 51 hours per week.- For each of the confidence intervals, identify and explain the maximum likely error in the study.
Discuss about creating and managing wireless security policy : The research project will give the graduate student an opportunity to think independently to address issues in an area of network security that is of interest to the student. The work should be documented in the form of an analytic research paper,..
Express width of confidence interval as a multiple of y : If the width of the 95% confidence interval is identified as y, express the width of the 99% confidence interval as a multiple of y.
What sample size will be necessary : A simple random sample is to be drawn from a population of 800. In order to have 95% confidence that the sampling error in estimating π is no more than 0.03, what sample size will be necessary?
What sample size will be necessary : The population standard deviation has been estimated as being 40 grams. In order to have 99% confidence that the sampling error in estimating μ is no more than 5 grams, what sample size will be necessary?
Discuss the impacts of the global recession : Discuss the impacts of the global recession in processes of economic globalization, internationalization and neoliberalism in the World Economy
How many senators should be interviewed : There are 100 members in the United States Senate.- How many senators should be interviewed? Explain any assumptions you used in obtaining your recommended sample size.
Describe use of electronic health records in patient care : HI300-6:This week you research the history and continuing evolution of electronic health records (EHRs). One way to learn something is to teach that concept to someone else. For this Assignment, you will design and construct a Microsoft PowerPoint..

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the probability

If a household is known to have an income of at least $20,000, what is the probability that its annual income is in the $60,000-under $80,000 category?

  Using the methods of joints determine the force in each

using the methods of joints determine the force in each member of the truss shown. state whether each member is in

  Assume that a procedure yields a binomial distribution with

assume that a procedure yields a binomial distribution with a trial repeated n times. use the binomial probability

  Assume we want to use a 010 significance level to test the

the daily news reported that the color distribution for plain mampms was 35 brown 20 yellow 20 orange 15 green and 10

  What is the probability of a type two error

Suppose that the actual mean value in the population is mu =120 , what is the probability of a Type II error (incorrectly accepting a false null hypothesis)?

  Partial f-statistic for removing that one variable

Pick a multiple regression. Compare the t-statistic for a coefficient with the partial F-statistic for removing that one variable. How are they related?

  Predicting the cost per unit in dollars

The resulting equation for the line of best fit is given below, with x being observed for values between 10 and 200. If a production run was scheduled to produce 80 units, what would you predict the cost per unit to be in dollars?

  Randomly chosen from taking act scores high marks

What is the probability that a single student, randomly chosen from those taking the ACT, scores 21 or higher? What is the probability that the mean score x of a SRS of 50 students is 21 or higher?

  Applying for a building permit

A contractor is required by a county planning department to submit anywhere from one to five forms (depending on the nature of the project) in applying for a building permit. Let y be the number of forms required of the next applicant. The probabi..

  Determining the linear transformation

1. For each of the following functions decide whether or not the function is a linear transformation.  Prove your answer in each case :

  Opinion on collective bargaining by teachers

The following table gives the opinion on collective bargaining by a random sample of 200 employees of a school system, belonging to a teachers' union.

  Do the results differ from the governments statistics

On-Time Performance by Airlines According to the Bureau of Transportation statistics, on-time performance. At a = 0.05, do these results differ from the government's statistics?

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