# TOM302 HW ch9 - When 90 z=1.645 0.4 =-± 1000 4 1 4 645 1...

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TOM302 HW CHAPTER9 9.80 5 . 21 = σ , 35 = N - X =341, 99%=Z=2.58 =341 35 5 . 21 58 . 2 ± = BETWEEN 331.62386 and 350.37614 9.84 Z=1.96, n=109, e=0.05, p=0.5 109 ) 5 . 0 1 ( 5 . 0 96 . 1 05 . 0 ) 5 . 0 1 ( 5 . 0 2 2 - + - = 84.75 9.96 Z=1.96 N=121, p =0.26 121 ) 26 . 0 1 ( 26 . 0 96 . 1 26 . 0 ) 1 ( - ± = - ± n p p z p = between 0.1818 and 0.33815 9.105 N=1000 p=0.4
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Unformatted text preview: When 90%, z=1.645 0.4 =-± 1000 ) 4 . 1 ( 4 . 645 . 1 between 1.6195 and 0.42548 When 95%, z=1.96 0.4 =-± 1000 ) 4 . 1 ( 4 . 96 . 1 between 0.3696 and 0.4303...
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