Y¯ be the means of

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 27T
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Suppose that X¯, Y¯ be the means of 2 samples of sizes n from a normal population with variance σ^2. Determine n so that the probability will be about 0.95 that the two sample means will differ by less than σ.

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