STAT 415 - Homework 9 Solution

STAT 415 - Homework 9 Solution - 3 p\9 Q E E rm $0 f4...

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Unformatted text preview: § (\ 3 p- \9 Q E? E rm $0 f4 447/7 {0 “flied Ha C). {Wm m {a ifl‘Sf‘fl/Wflx Mk 0 .é)‘.< /)_Vfl/1(ce 10(495—i we WM W 6142‘ 8.2—12 (a) The critical region is 19.!2 x2 = (0.095)2 The observed value of the test statistic, _ 19(0.065)2 X2 ' (0.095)2 g 10.12. = 8.895, is less than 10.12, so the company was successful. Since X3_915(19) = 8-907, p'Va-lue z 0-025. \z’ n F‘ n D. 4". *- ; r m» b. He a" H: <r< We 0.10 £9 [J .o p 3 ‘2 I? , flgac '3 , _ "A ‘ \J “www.mwngf..- $177" 424'; ( x 64 95* r~g AC“ 4.?“ka mle All/4" “’ :9 , s :94 ' [’7 Ho: flws 0 v.9; Ha: f.» > o 5032.07- & 5w’=8+63 m=t31 f = L604 < tag;on 84.66/51 "WW {age somfie ’9 Zo1os(‘” (.645) Hence. do not raged Ho. ...
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