Thirty-six percent of all Americans drink bottled water more than once a week (Natural Resources Defense Council,
Question:
a. Suppose you select a sample of 540 St. Paulites. Show the sampling distribution of p.
b. Based upon a sample of 540 St. Paulites, what is the probability that the sample proportion will be within .04 of the population proportion?
c. Suppose you select a sample of 200 St. Paulites. Show the sampling distribution of p.
d. Based upon the smaller sample of only 200 St. Paulites, what is the probability that the sample proportion will be within .04 of the population proportion?
e. As measured by the increase in probability, how much do you gain in precision by taking the larger sample in parts (a) and (b) rather than the smaller sample in parts (c) and (d)?
Distribution
The 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
Modern Business Statistics With Microsoft Excel
ISBN: 9781337115186
6th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
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