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Question 4 10 pts X is a normal random variable with unknown mean o=5. and standard deviation (a) Find the margin of error E
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2010 11.96 9567.CL. 220.05, 6=5 , n=16 r1-d30.975 a) E = Pollo F 196 ( ) from 2-table area 0.975 close to z21.96 2.45 b) E-15

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