How large a sample is needed to estimate the population mean for the amount of money a

Question:

How large a sample is needed to estimate the population mean for the amount of money a person spends on Christmas presents within $2 and be 95% confident? The standard deviation of the population is $7.50.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Elementary Statistics A Step By Step Approach

ISBN: 9781259755330

10th Edition

Authors: Allan G. Bluman

See More Books

Question Posted: Sep 06, 2018 11:15 AM

See More Questions

A survey of 36 randomly selected iPhone owners showed that the purchase price has a mean of $416 with a sample standard deviation of $180. a. Compute the standard error of the sample mean. b. Compute...
How large a sample is needed to estimate the population proportion for each of the following? a. ME = 0.03; = 0.05 b. ME = 0.05; = 0.05 c. Compare and comment on your answers to parts a and b.
How large a sample is needed to estimate the population proportion for each of the following? a. ME = 0.05; = 0.01 b. ME = 0.05; = 0.10 c. Compare and comment on your answers to parts a and b.
The cost formula for the maintenance department of Rainbow, Ltd., is $19,400 per month plus $7,70 per machine hour used by the production department. Required: a. Calculate the maintenance cost that...
The adjusted trial balance for Chef on Demand Catering, Inc., is presented below. Prepare the income statement and statement of retained earnings for Chef on Demand Catering, Inc., for the month...
How does the audit team determine expected misstatement? What is the relationship between expected misstatement and sample size?
Visit the website www.nielsen.com and choose one of the reports published. Write a brief analysis of the findings and solutions presented by the report.
Beth Electronics makes DVD players in three processes: assembly, programming, and packaging. Direct materials are added at the beginning of the assembly process. Conversion costs are incurred evenly...
Telework is a work arrangement that allows federal employees to work from home instead of in a traditional office. This arrangement offers many advantages, and employees who participate in telework...
Carnival Corp. provides cruises to major vacation destinations. Carnival operates 100 cruise ships with a total capacity of 180,746 passengers in North America, Europe, the United Kingdom, Germany,...
A random sample of 36 drivers used on average 749 gallons of gasoline per year. If the standard deviation of the population is 32 gallons, find the 95% confidence interval of the mean for all...
A researcher wishes to estimate the average number of minutes per day a person spends on the Internet. How large a sample must she select if she wishes to be 90% confident that the population mean is...
A wooden artifact is burned and found to contain 21 g of carbon. The 14 C activity of the sample is 105 disintegrations/ min. What is the age of the artifact?
If an employee requires retraining, is his/her supervisors' involvement and/or assistance in that retraining necessary? Please provide an explanation.
Read the Canadian HR Reporter articleCost savings, staffing advantages to 'distributed workplaces'and answer the following question in the space provided: 1. In your opinion, what are the advantages...
How can firms seek to form a culture that protects employees from sexual harassment? 2. What should firms do when victims allege retaliation for reporting sexual harassment
Explain the different types of loss on the spectrum including: primary loss secondary loss cumulative loss integration of loss
Suggest a way of telling an employee about his/her bad breath.?
In addition to matching job applications with available positions, what larger function do online job sites fill? Explain how such sites can affect salaries and going rates?
Show, if u(x, y) and v(x, y) are harmonic functions, that u + v must be a harmonic function but that uv need not be a harmonic function. Is e"e" a harmonic function?
For Exercises, determine whether descriptive or inferential statistics were used. In 2011, 79% of U.S. adults used the Internet.
A study that involves no researcher intervention is called a. An experimental study. b. A noninvolvement study. c. An observational study. d. A quasi-experimental study.
Data that can be classified according to color are measured on what scale? a. Nominal b. Ratio c. Ordinal d. Interval
Develop a SWOT analysis of Coles potential business. b. Can Cole be profitable and if so, in what period of time? c. What are the major business assumptions that require verification? d. Does Cole,...
The current temperature is 12 oC and the dew point is -29 oC. What is the relative humidity in percentage? Answer to one decimal place. The current temperature is 12 oC and the dew point is -29 oC....
The density of the block depends on what material the block is made out of. The table below shows the average densities for 3 different kinds of Earth materials. Using these data, calculate the...

How large a sample is needed to estimate the population mean for the amount of money a

Question:

Step by Step Answer:

n 735 2 ...View the full answer

Elementary Statistics A Step By Step Approach

Students also viewed these Mathematics questions