Question: 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
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.
518548561523536
499538557528563
At the 0.05 significance level, test the claim that for the modified components, the mean time between failures
is greater than 520 hours. Show all 7 steps for p-value method.
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