Three types of a metal alloy were investigated to see how much damage they suffered when subjected
Question:
(a) Perform a hypothesis test to assess whether there is sufficient evidence to conclude that the three alloys are not all equivalent in terms of the damage that they suffer.
(b) Perform a hypothesis test to assess whether there is sufficient evidence to conclude that the probability of suffering severe damage is different for alloy type I and alloy type III.
(c) Construct a 99% confidence level two-sided confidence interval for the probability that a sample of alloy type II will not suffer any damage.
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Related Book For
Probability And Statistics For Engineers And Scientists
ISBN: 9780495107576
3rd Edition
Authors: Anthony Hayter
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