What is the minimum sample size required

Assignment Help Basic Statistics
Reference no: EM13916969

A fast food restaurant executive wishes to know how many fast food meals teenagers eat each week. They want to construct a 85% confidence interval with an error of no more than 0.06. A consultant has informed them that a previous study found the mean to be 4.9 fast food meals per week and found the standard deviation to be 0.9. What is the minimum sample size required to create the specified confidence interval?

Reference no: EM13916969

Questions Cloud

Aging approach is used to estimate bad debts : Refer to Atlantis Tropicals. If the aging approach is used to estimate bad debts, how much bad debts expense will the company report for 2012?
Find confidence interval for the population mean : A random sample of 90 observations produced a mean 25.9 and a standard deviation 2.7. Find an approximate 95% confidence interval for the population mean
What three changes would you make to existing product lines : If you were in charge of Gap or Old Navy's product lines, what three changes would you make to the existing product lines? What three totally new product lines would you want to create?
Simple web page updates : A non-profit organization would like you to lead a Web site development proj¬ect for them. The organization has Internet access that includes space on a Web server, but has no experience developing Web pages or Web sites.
What is the minimum sample size required : A fast food restaurant executive wishes to know how many fast food meals teenagers eat each week. What is the minimum sample size required to create the specified confidence interval
Allowance for uncollectible accounts : A company has the following balances on December 31, 2015, before any year-end adjustments: Accounts Receivable = $82,000; Allowance for Uncollectible Accounts = $1,100 (credit)
Two stations p and q are 110 km apart on a straight track : Two stations P and Q are 110 km apart on a straight track. One train starts from P at 7 a.m. and travels towards Q at 20 kmph. Another train starts from Q at 8 a.m. and travels towards P at a speed of 25 kmph. At what time will they meet?
The speed of the faster train : Two trains, each 100 m long are moving in opposite directions. They cross each other in 8 seconds. If one is moving twice as fast the other, the speed of the faster train
Excellent global positioning system circuit card : The purchasing department has found an excellent global positioning system circuit card in Germany that can provide your firm with a competitive advantage in the marketplace. Delivery of the circuit cards is 6 months from date of order.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Null-alternative hypotheses to test research hypothesis

Specify the appropriate null and alternative hypotheses if we wish to test the research hypothesis that the mean GHQ score for all employed men exceeds 10.

  How well do exams given during the semester predict

how well do exams given during the semester predict perfomance on the final? one class had 3 tests during the semester.

  Example-single population proportion

Cite an example of how you could/would apply a test of a hypothesis for a single population proportion, two tail test described in the lecture to real world situations?

  What is the probability that neither a nor b will happen

The events A and B are mutually exclusive. Suppose P(A) = .30 and P(B) = .20. What is the probability of either A or B occurring? What is the probability that neither A nor B will happen?

  A particular multiple regression model has 3 independent

a particular multiple regression model has 3 independent variables the sum of the squared error is 7680 and the total

  Use of sensitivity analysis and postoptimality analysis

Describe the use of sensitivity analysis and postoptimality analysis in analyzing the results. Describe the characteristics of a Bernoulli process. How is a Bernoulli process associated with the binomial distribution?

  A project has the following cash flows what is the internal

a project has the following cash flows. what is the internal rate of return? year 0 1 2 3 cash flow -121000 68150 42200

  The second sample of 40 items were chosen and measured this

a two-sample t test is going to be carried out where it is assumed that the population variances are unknown but

  Determining biostats problem

A student conducted a study on the height and weight of adult males. She collected data from 40 adult males and found that average height is 68.34 inches with a standard deviation of 14.02 inches

  Conclusion for positive correlation in the population

A study of 20 worldwide financial institutions shows the correlation between their assets and pretax profit to be .86. At the .05 significant levels, can we conclude that there is positive correlation in the population?

  Let a dart fall uniformly at random on a circular dart

let a dart fall uniformly at random on a circular dart board of radius 9 inches. let x denote the distance of the dart

  Is it necessary to know anything about the shape of the

a random sample of 121 checking accounts at a bank showed an average daily balance of 280. the standard deviation of

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