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Author Question: Test whether he given claim is supported or not supported using a 0.05 significance level. Assume ... (Read 742 times)

chads108

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on: Jan 18, 2020
Test whether he given claim is supported or not supported using a 0.05 significance level. Assume that the sample has been randomly selected from a population with a normal distribution.

In tests of a computer component, it is found that the mean time between failures is 520 hours. A modification is made which is supposed to increase the time between failures. Tests on a random sample of 10 modified components resulted in the following times (in hours) between failures.
518 548 561 523 536
499 538 557 528 563
Use a significance level of 0.05 to test whether the claim that the mean time between failures is greater than 520 hours is supported or not supported.
◦ supported
◦ not supported
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Marked as best answer by chads108 on Jan 18, 2020

Amiracle

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Reply #1 on: Jan 18, 2020
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chads108

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Reply 2 on: Jan 18, 2020
Wow, this really help

ttt030911

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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