# Lecture 12 - Change in Homework 2 Problems Chapter 8...

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Change in Homework 2 Problems: Chapter 8 problems will now be due with HW Assignment 3 on April 4, 2008. HW Assignment 2 due on March 4, 2008 includes only Chapter 5 and 7 problems. Exam 2, on Tuesday, March 4 will be limited to Chapters 5 and 7. Classes on Friday, March 7 and Tuesday, March 18 are in the West Hall Auditorium

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TA Office Hours: Vadiraj Hombal: Thursdays 4:30-6:30 PM JEC 6027 Max Henderson: Sundays 4:00-7:00 PM McNeil Room Scott Alderman: Tue/Thur: 5:00-7:00 PM MRC 318 Li Huijiang: Wed: 3:00-5:00 PM JEC 6 th Floor Lounge
8-11 () 25 0.2 ( ) :1 0 0 .) .) 10.1032 9.8968 Prob 10.1032 9.8968 ~1 0 , .01 is the type I error probability oa n kg known HH a b xx xo r x xn n σ μμ α == =≠ ≥≤ ⎛⎞ ⎜⎟ ⎝⎠ =

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c.) region shaded in the reject to fail y incorrectl would We 10? vs. 10.1 if is What = μβ 10.1, xN n σ () ( ) Prob 9.8968 10.1032 5.08 0.08 0.5319 9.8968 10.1 10.1032 10.1 5.08 0.08 .2 25 .2 25 XP Z β =≤ = −− =− =
c.) Similarly if 9.8 vs. 10? μ= 9.8, xN n σ ⎛⎞ ⎜⎟ ⎝⎠ () 0078 . ) 58 . 7 42 . 2 ( 8 . 9 = < < = z P β 58 . 2 ± = c d.)

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e.) f.) 0632 .
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Lecture 12 - Change in Homework 2 Problems Chapter 8...

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