Winter 2001 Solutions

Winter 2001 Solutions - ANSWERS TO WINTER 2001 FINAL EXAM...

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ANSWERS TO WINTER 2001 FINAL EXAM 1. (a) 60! 10!30!20! (b) 50!10! 60! (c) Ã 30 3 30 2 ! Ã 60 5 ! (d) Ã 5 3 ! ³ 1 2 ´ 5 2. (a) 0 . 9 4 (b) 0 . 75 4 (c) 0 . 1383 (d) 0 . 2056 3. (a) 2 5 (b) 3 20 4. (a) e 0 . 7 (b) Ã 19 17 ! ( e 0 . 7 ) 3 (1 e 0 . 7 ) 17 (c) 1 4 (d) 52 X x =30 Ã 52 x ! ( e 0 . 7 ) x (1 e 0 . 7 ) 52 x (e) 0 . 1539 5. (a) F ( x )= 0 ,x 0 1 4 x 2 (3 x ) ,x (0 , 2) 1 ,x 2 (b) 1 , 1 5 (c) 0 . 8198 6. (a) F y ( y )=1 e 2 y , y (0 , + ) ; f y ( y )=2 e 2 y , y (0 , + ) ; y Exp ( α ) ; E { Y } = 1 2 (b) 1 e 2 7. (b) e 3 2 t x x !( t x )!
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This note was uploaded on 10/21/2010 for the course STAT 230 taught by Professor Various during the Fall '06 term at Waterloo.

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