For testing H₂ = 14, HA: M 14, an a = 0.05 level t-test is being considered. What sample size is necessary in order for the probability to be 0.1 of falsely failing to reject when the true population mean differs from 14 by 0.5? From a preliminary sample we estimate to be 1.25.

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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For testing
H₂
= 14,
HA: μ‡ 14,
an a = 0.05 level t-test is being considered. What sample size is necessary in order for the probability to
be 0.1 of falsely failing to reject when the true population mean differs from 14 by 0.5? From a preliminary
sample we estimate to be 1.25.
Transcribed Image Text:For testing H₂ = 14, HA: μ‡ 14, an a = 0.05 level t-test is being considered. What sample size is necessary in order for the probability to be 0.1 of falsely failing to reject when the true population mean differs from 14 by 0.5? From a preliminary sample we estimate to be 1.25.
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