CH. 9, 3 questions only.

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9.15

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9.14 Answer:
(a) ZSTAT=7,250-7,5001,000264=-2.0. Because ZSTAT=-2.006 -1.96, reject H0. 
(b) p@value=0.0456. 
(c) 7,005…m…7,495.
(d) The conclusions are the same.) (d) The conclusions are the same.)
mailto:p@value=0.0456

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