Roper ASW conducted a survey to learn about American adults' attitudes toward money and happiness (Money, October 2003). Fifty-six percent of the respondents said they balance their checkbook at least once a month. a. Suppose a sample of400 American adults
Roper ASW conducted a survey to learn about American adults' attitudes toward money and happiness (Money, October 2003). Fifty-six percent of the respondents said they balance their checkbook at least once a month.
a. Suppose a sample of400 American adults were taken. Show the sampling distribution of the proportion of adults who balance their checkbook at least once a month.
b. What is the probability that the sample proportion will be within ± .02 of the population proportion?
c. What is the probability that the sample proportion will be within ± .04 of the population proportion?
DistributionThe word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For
Essentials Of Statistics For Business And Economics
ISBN: 9781111533847
6th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Posted Date: October 07, 2016 12:11:54
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