Unilab claims that its medicine can provide relief from headache in less than 10 minutes. For a test of the claim, 35 individuals were given the medicine; the average time of relief is 9.25 minutes. From past studies, the the standard deviation of the population is known to be 2 minutes. Can you conclude that the claim is justified? Find the P-value and let a = 0.05.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Unilab claims that its medicine can provide relief from headache in less than 10 minutes. For a
test of the claim, 35 individuals were given the medicine; the average time of relief is 9.25
minutes. From past studies, the the standard deviation of the population is known to be 2
minutes. Can you conclude that the claim is justified? Find the P-value and let a = 0.05.
Transcribed Image Text:Unilab claims that its medicine can provide relief from headache in less than 10 minutes. For a test of the claim, 35 individuals were given the medicine; the average time of relief is 9.25 minutes. From past studies, the the standard deviation of the population is known to be 2 minutes. Can you conclude that the claim is justified? Find the P-value and let a = 0.05.
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