Let denote a random sample from a normal population distribution with a known value of s. a.
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Let denote a random sample from a normal population distribution with a known value of s.
a. For testing the hypotheses versus
(where m0 is a fixed number), show that the test with test statistic and rejection region has significance level .01.
b. Suppose the procedure of part
(a) is used to test versus . If , and , what is the probability of committing a type I error when ? When ? In general, what can be said about the probability of a type I error when the actual value of m is less than m0? Verify your assertion.
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Related Book For
Probability And Statistics For Engineering And The Sciences
ISBN: 9781133169345
8th Edition
Authors: Jay L Devore, Roger Ellsbury
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