Suppose a sample of size 36 is randomly drawn from a normal population with unknown mean µX and know
Question: Suppose a sample of size 36 is randomly drawn from a normal population with unknown mean µX and known variance equal to 1.21.
a) Find a 98 percent confidence interval for µX if the sample mean is 18.
b) How would you change your answer to part (b) if the variance were unknown and the sample variance is 1.44?
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Deliverables: Word Document
Deliverables: Word Document
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