(b) Estimate the sample size needed if no estimate of p is available. A sample of 504 adults is needed to obtain a 99.8% confidence interval with a margin of error of 0.03.
(b) Estimate the sample size needed if no estimate of p is available. A sample of 504 adults is needed to obtain a 99.8% confidence interval with a margin of error of 0.03.
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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Part two of the problem. If no p is available, isn't 0.05 used? Wouldn't it be:
0.05(1-0.05)(3.090/0.03)²
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