If S1 and S2 are the standard deviations of indepen-dent random samples of sizes n1 = 61 and n2 = 31 from normal populations with σ2 1 = 12 and σ2 2 = 18, find P(S21/S22 > 1.16).
If S1 and S2 are the standard deviations of indepen-dent random samples of sizes n1 = 61 and n2 = 31 from normal populations with σ2 1 = 12 and σ2 2 = 18, find P(S21/S22 > 1.16).
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question
If S1 and S2 are the standard deviations of indepen-
dent random samples of sizes n1 = 61 and n2 = 31 from
normal populations with σ2
1 = 12 and σ2
2 = 18, find
P(S2
1/S2
2 > 1.16).
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