Question: The Wall Street Journal reported on several studies that show massage therapy has a variety of health benefits and it is not too expensive. A

The Wall Street Journal reported on several studies that show massage therapy has a variety of health benefits and it is not too expensive. A sample of 10 typical one-hour massage therapy sessions showed an average charge of $59. The population standard deviation for a one-hour session is s 5 $5.50.
a. What assumptions about the population should we be willing to make if a margin of error is desired?
b. Using 95% confidence, what is the margin of error?
c. Using 99% confidence, what is the margin of error?

Step by Step Solution

★★★★★

3.50 Rating (173 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Since n is small an assumption that the population is at least approximately ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

1291-M-S-H-T(6259).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

The Wall Street Journal reported that Americans spend nearly $7 billion on Halloween costumes and decorations. Sample data showing the amount, in dollars, that 16 adults spent on a Halloween costume...

The Wall Street Journal reported that the age at first startup for 55% of entrepreneurs was 29 years of age or less and the age at first startup for 45% of entrepreneurs was 30 years of age or more...

The Wall Street Journal reported that automobile crashes cost the United States $162 billion annually (The Wall Street Journal, March 5, 2008). The average cost per person for crashes in the Tampa,...

PLEASE MAKE SURE FORMATTING IS UNDERSTANDING AND READABLE! I have arranged the questions in the order they should be in, please only provide answer with section, question number and part (ex. 1a, 1b,...

8. Cost of Massage Therapy Sessions. The Wall Street Journal reported on several studies that show massage therapy has a variety of health benefits and it is not too expensive. A sample of 10 typical...

Wall Street Journal reported on several studies that show massage therapy has a variety of health benefits and it is not too expensive. A sample of 10 typical one-hour massage therapy sessions showed...

Hint(s) Check My Work Wall Street Journal reported on several studies that show massage therapy has a variety of health benefits and it is not too expensive. A sample of 10 typical one-hour massage...

Wall Street Journal reported on several studies that show massage therapy has a variety of health benefits and it is not too expensive. A sample of 12 typical one-hour massage therapy sessions showed...

Exercise 08.08 Algo (Population Mean: Sigma Known) Question 3 of 7 Hint(s) Check My Work (1 remaining) O Wall Street Journal reported on several studies that show massage therapy has a variety of...

The Wall Street Journal Reported On Several Studies That Show Massage Therapy Has A Variety Of Health Benefits And It Is Not Too Expensive. A Sample Of 11 Typical One-hour Massage Therapy Sessions...

Ethanol gas (C2H6O) is burned with 110 percent theoretical air. During the combustion process, 90 percent of the carbon in the fuel is converted to CO2 and 10 percent is converted to CO. Determine...

Read the case: For this discussion you are a member of the internal audit team at Ocean Manufacturing. Your assignment is to assist a member of Ocean Mfg. management on the client acceptance process....

as ) The software application which automatically extracts relevant information about job candidates and inserts this information into a standard application form is referred to as: O An applicant...

Exercise 17.3. Consider the same production structure as in Sections 17.1 and 17.2 but assume that irrespective of the level of the capital stock and the realization of the stochastic variable, each...

Electric power consumption is measured in kilowatt-hours (kWh). the local utility company offers an interrupt program whereby commercial customers that participate receive favorable rates but must...

Air pollution control specialists in southern California monitor the amount of ozone, carbon dioxide, and nitrogen dioxide in the air on an hourly basis. the hourly time series data exhibit...

The following table reports the percentage of stocks in a portfolio for nine quarters from 2010 to 2012. Quarter Stock % 1st-2010................29.8 2nd-2010...............31.0...

Consider the following table for the total annual returns for a given period of time. Series Average return Standard Deviation Large-company stocks 11.7 % 20.6 % Small-company stocks 16.4 33.0...

1 - year, 2 - year, 3 - year, and 4 - year annualized rates of return are 1 . 7 % , 2 . 4 % , 3 . 4 % , and 4 . 1 % , respectively. Compute the two - year annualized forward interest rate from year 2...

Determine the transmembrane pressure required to maintain a flux rate of 220 Kg/ h m2 in a reverse osmosis system at 20 deg C when the feed solution is 9 % sucrose. The permeability coefficient rate...