Find the sample size

Assignment Help Business Economics
Reference no: EM131932940

Find the Sample Size

a. A pizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza. How large should the sample be if she wishes to be accurate to within $0.15? A previous study showed that the standard deviation of the price was $0.26.

b. A researcher wishes to be 95% confident that her estimate of the true proportion of individuals who travel overseas is within 4% of the true proportion. Find the sample necessary if, in a prior study, a sample of 200 people showed that 40 traveled overseas last year. If no estimate of the sample proportion is available, how large should the sample be?

Reference no: EM131932940

Questions Cloud

When a call option is exercised : The yield on a Treasury bill will increase if. When a call option is exercised
What is the probability that sam gets a scholarship : (a) What is the probability that Sam gets a scholarship but Allen doesn't?
Create an accounting equation using the elements assets : Accounts titles and the accounting equation - Create an accounting equation using the elements assets, liabilities, and stockholders' equity
Find the estimated growth rate in dividends : Alfa is a start-up company who is using all its cash to growth so it does not plan to pay dividends for the next 4 years.
Find the sample size : A pizza shop owner wishes to find the 95% confidence interval of the true mean cost of a large plain pizza.
Write an assembly code that removes blank spaces : In this problem, you will write a LC-3 assembly code that removes blank spaces from a string. Assume that the string starts at memory location 0x5000.
Individual can hedge against loss from decline interest rate : If a lender agrees to lend a firm $ 1,000,000 after six months at the going rate, that individual can hedge against the loss from a decline interest rates by
Write at least a two-page research report on billing issues : Write at least a two-page research report on billing issues in the context of health information management.
At what level of expected cash flows does it make project : If the estimates of remaining cash flows are revised based on the first year's experience, at what level of expected cash flows does it make sense to abandon.

Reviews

Write a Review

Business Economics Questions & Answers

  When the government imposes a payroll tax on workers

When the government imposes a payroll tax on workers

  Ways that are beneficial to others

How does private ownership influence the incentive of indi- viduals to (a) take care of things, (b) conserve resources for the future

  What do you believe makes us human

What do you believe makes us human?

  Differ in terms of seller concentration

How do the six-digit North American Industry Classification System (NAICS) and the therapeutic market definition of the pharmaceutical industry differ in terms of seller concentration? Which do you think is a better measure? Why? Think in terms of ac..

  Human resources payroll information

Answer the questions in straight to the point short answers. please answer them as they are numbered. shouldn't be more than 500 words

  Experiencing an explosive population growth

If the interest rate is 6% per year compounded quarterly, how long (number of quarters) does it take earn $100 interest on an initial deposit of $300? Downtown is experiencing an explosive population growth of 18% annually. At the end 2002, the popul..

  Monopolist for the contemplated public use

What if the government needs to purchase a single, large piece of property in order to provide a public good, say, a satellitetracking station? There is only one private owner with whom to deal. And his property is the only one that is suitable for t..

  Calculate the consumer surplus and producer surplus

Assume that a monopolist has a demand curve given by P=1500-4Q, and TC= 100 + 5Q2 with MC=10Q. Calculate the dead weight loss. Calculate the consumer surplus and producer surplus.

  Uncertain effect on the level of average cost

Indicate whether each of the following involves an upward or downward shift in the long run average cost curve or, instead, involves a leftward or rightward movement along a given curve. Also indicate whether each will have an increasing, decreasing,..

  Collecting large amount of tax revenue-distorting demand

The sales manager of a retail outlet suggests that the best way to increase the number of customers is to have a sale. If a 10 percent price cut doesn't bring in enough customers, then he'll cut prices 20 percent. Increased cash flow should take care..

  Price be in long run equilibrium long run equilibrium

Suppose you are given the following information about a particular industry: QD = 6500−100P is Market demand QS =1200P is Market supply C(q) = 722+(q2)/200 is the Firm's total cost function. Suppose the long run total cost function is given by C(Q)=6..

  Describe in words how to interpret the coefficient

Annual Work Hours = ? + ?*(Average Hourly Wage) + ? You gather data on US workers aged 22 to 55 from the Current Population Survey. You define the Average Hourly Wage as self-reported total annual labor income divided by self-reported total annual wo..

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