Assign8-new - 0244 4129 97 1 22 30 025 005 3 996 2 30 025...

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STA 3032 – Assignment 8 Problem 6.24: ( 29 94 . 0 01 . 0 95 . 0 ) 0879 . 2 Pr( 9250 . 16 Pr 5 . 42 ) 94 . 8 )( 1 10 ( ) 1 ( 5 . 42 ) 14 . 3 )( 1 10 ( Pr ) 94 . 8 14 . 3 Pr( 2 2 2 2 2 2 = - < - < = - < - < - = < < χ σ S n S Problem 6.26: a.) 382 . 0 62 . 2 1 ) 12 , 15 ( 1 ) 15 , 12 ( 05 . 0 95 . 0 = = = F F b.) 135 . 0 40 . 7 1 ) 6 , 20 ( 1 ) 20 , 6 ( 01 . 0 99 . 0 = = = F F Problem 7.6: a.) Max error with 99% confidence min 839 . 0 40 06 . 2 575 . 2 = b.) 98% CI 489 . 13 971 . 11 40 06 . 2 ) 33 . 2 ( 73 . 12 40 06 . 2 ) 33 . 2 ( 73 . 12 < < + < < - μ Problem 7.18: ( 29 85 . 2025 75 . 1791 30 1 . 327 ) 96 . 1 ( 8 . 1908 30 1 . 327 ) 96 . 1 ( 8 . 1908 30 1 . 327 96 . 1 8 . 1908 < < + < < - ±
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Problem 7.24: 55 . 2 65 . 1 8 54 . 0 365 . 2 1 . 2 8 54 . 0 365 . 2 1 . 2 365 . 2 7 1 8 54 . 0 1 . 2 7 , 025 . 0 < < + < < - = = - = = = μ t df s x Problem 7.30: a.) Prob(Type I error) ( 29 ( 29 3788 . 0 8106 . 0 1894 . 0 1 88 . 0 88 . 0 1 30 / 025 . 0 3 004 . 3 1 30 / 025 . 0 3 996 . 2 ) 004 . 3 Pr( ) 996 . 2 Pr( = - + = - - + = - - + - = + F F F F X X b.) Prob(Type II error when μ =3.0050 in) ( 29 ( 29 3885
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Unformatted text preview: . 0244 . 4129 . 97 . 1 22 . 30 / 025 . 005 . 3 996 . 2 30 / 025 . 005 . 3 004 . 3 =-=---= -- -F F F F Problem 7.32: 579 . 95 40 12 33 . 2 100 if hypothesis null e Reject th values) table normal on (based 33 . 2 40 / 12 100 01 . 40 / 12 100 Pr =-<-=-⇒ = -< y y y Z...
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Assign8-new - 0244 4129 97 1 22 30 025 005 3 996 2 30 025...

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