How large sample take to estimate percentage-margin of error

Assignment Help Basic Statistics
Reference no: EM13121159

She has absolutely no idea as to the percentage of shoppers who would favour this type of shopping. How large a sample should she take to estimate the percentage with a margin of error of no more than 4%, with 90% confidence?

Reference no: EM13121159

Questions Cloud

Debit balance in the allowance for doubtful accounts : A debit balance in the Allowance for Doubtful Accounts
What is the final temperature of the water : a 2.00 kg sample of pure water at 20.0 degree celsius absorbs 3.53 kJ of heat. What is the final temperature of the water?
Estimating uncollectible accounts : Which of the following is not acceptable in estimating uncollectible accounts receivable under GAAP?
Which of the following best describes assurance services : Which of the following best describes assurance services.
How large sample take to estimate percentage-margin of error : How large a sample should she take to estimate the percentage with a margin of error of no more than 4%, with 90% confidence?
Account not affected by account receivable written off : Which of the following accounts is not affected when an account receivable written off as uncollectible is unexpectedly collected?
Calculate the energy in joules and calories : Calculate the energy in joules and calories lost when 10.0 gm ethanol, {C_2H_5OH}, cools from 62.5 0C to -46.0 0C?
Determine the critical value based on sample size : The level of significance selected is 0.01 and 26 accounts are sampled. What is the critical value? Based on a sample size of 25?
Use apa style on margins, fonts : Write a memo identifying the legal ISSUE(s), conclusion, list of relevant authorities, discussion of the law, and the application of the law. Use the headings on page 149 of the text.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Estimating regression equation using stepwise regression

A researcher used stepwise regression to create regression models to predict  Birth-Rate  (births per1000) using five predictors:

  Frequency distribution table with proportions

Develop a frequency distribution table with proportions. What is an experiment? Can you describe what a Group Frequency Distribution Table is and what it looks like?

  Develop regression model for predicting the selling price

Pick a random sample of 50 homes from the enclosed 90 cases.  Double the asking price and selling price and use this data to develop three predictive models:

  Five step hypothesis test for two variances

Describe a 5-step hypothesis test for two variances for a particular claim related to a real life experience. You need to state the claim, define the null and alternate hypothesis

  Normal distribution having mean-standard deviation

A fast-food restaurant sells hamburgers and chicken sandwiches. On a typical weekday, the demand for hamburgers is normally distributed with a mean 313 and a standard deviation 57; the demand for chicken sandwiches is normally distributed with a m..

  Critical value using desired confidence level

If desired confidence level is 95 percent, suitable critical value is?

  Estimating quality assurance and binomial distribution

John Rengel is the Quality Assurance Supervisor for Vino Supremo Vinyards. He knows that 10 percent of each box of corks is undersized.

  Determine standard deviation of all sample means

Several samples of size 56 are randomly selected and means computed. What value would you expect to determine for standard deviation of all these sample means?

  To test the given claim using single mean test

Use a 0.05 significance level to test the claim that king-size cigarettes with filters have a lower mean amount of nicotine than the mean amount of nicotine in non-filtered king-size cigarettes.

  Test for independence-chi square

Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major.

  Sample correlation coefficient

The sample correlation coefficient between x and y is 0.375. It has been found out that the p-value is 0.256 when testing H0: ρ = 0 against the two-sided alternative H1: ρ ≠ 0. To test H0: ρ = 0 against the one-sided alternative H1: ρ > 0 at a sig..

  Determining confidence interval for true population mean

Based on these data, determine the 95 percent confidence interval estimate for true population mean?

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