a. What is a for the test procedure that rejects H0 if z = - 1.28? b.
Question:
b. If the test procedure of Part (a) is used, calculate b when µ = 9.8, and interpret this error probability.
c. Without doing any calculation, explain how b when m = 9.5 compares to b when µ = 9.8. Then check your assertion by computing b when µ = 9.5.
d. What is the power of the test when µ = 9.8? when µ = 9.5?
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a a area under standard normal curve to the left of 128 01 b When z 128 x 10 1281 ...View the full answer
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Related Book For 
Statistics The Exploration & Analysis Of Data
ISBN: 9780840058010
7th Edition
Authors: Roxy Peck, Jay L. Devore
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