Basic Computation: Sample Size Suppose x has a normal distribution with s 51.2. (a) Find the minimal
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Basic Computation: Sample Size Suppose x has a normal distribution with s 51.2.
(a) Find the minimal sample size required so that for a 90% confidence interval, the maximal margin of error is E 5 0.5.
(b) Check Requirements Based on this sample size and the x distribution, can we assume that the x distribution is approximately normal? Explain.
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Related Book For 
Understandable Statistics Concepts And Methods
ISBN: 9780357719176
13th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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