Mathematic Methods HW Solutions 69

Mathematic Methods HW Solutions 69 - 3 . 3, so 4 tries are...

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Chapter 15 1.1 1 / 10, 1 / 9 1.2 3 / 8, 1 / 8, 1 / 4 1.3 1 / 3, 5 / 9 1.4 1 / 2, 1 / 52, 2 / 13, 7 / 13 1.5 1 / 4, 3 / 4, 1 / 3, 1 / 2 1.6 27 / 52, 16 / 52, 15 / 52 1.7 9 / 26, 1 / 2, 1 / 13 1.8 9 / 100, 1 / 10, 3 / 100, 1 / 10 1.9 3 / 10, 1 / 3 1.10 3 / 8 2.12 (a) 3 / 4 (b) 1 / 5 (c) 2 / 3 (d) 3 / 4 (e) 3 / 7 2.14 (a) 3 / 4 (b) 25 / 36 (c) 37, 38, 39, 40 2.15 (a) 1 / 6 (b) 1 / 2 (c) 1 / 3 (d) 1 / 3 (e) 1 / 9 2.17 (a) 3 to 9 with p (5) = p (7) = 2 / 9; others, p = 1 / 9 (b) 5 and 7 (c) 1 / 3 2.18 (a) 1 / 2, 1 / 2 (b) 1 / 2, 1 / 4, 1 / 4 (c) Not a sample space 2.19 1 / 3, 1 / 3; 1 / 7, 1 / 7 3.3 2 - 6 , 2 - 3 , 2 - 3 3.4 (a) 8 / 9, 1 / 2 (b) 3 / 5, 1 / 11, 2 / 3, 2 / 3, 6 / 13 3.5 1 / 33, 2 / 9 3.6 4 / 13, 1 / 52 3.10 (a) 1 / 6 (b) 2 / 3 (c) P ( A ) = P ( B ) = 1 / 3, P ( A + B ) = 1 / 2, P ( AB ) = 1 / 6 3.11 1 / 8 3.12 (a) 1 / 49 (b) 68 / 441 (c) 25 / 169 (d) 15 times (e) 44 / 147 3.13 (a) 1 / 4 (b) 25 / 144, 1 / 16, 1 / 16 3.14 n >
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Unformatted text preview: 3 . 3, so 4 tries are needed. 3.15 (a) 1 / 3 (b) 1 / 7 3.16 9 / 23 3.17 (a) 39 / 80, 5 / 16, 1 / 5, 11 / 16 (b) 374 / 819 (c) 185 / 374 3.18 (a) 15 / 34 (b) 2 / 15 3.19 1 / 3 3.20 5 / 7, 2 / 7, 11 / 14 3.21 2 / 3, 1 / 3 3.22 6 / 11, 5 / 11 4.1 (a) P (10 , 8) (b) C (10 , 8) (c) 1 / 45 4.3 3, 7, 31, 2 n-1 4.4 1 . 98 × 10-3 , 4 . 95 × 10-4 , 3 . 05 × 10-4 , 1 . 39 × 10-5 4.5 2 8 , 2-8 , 7 / 32 4.6 15 4.7 1 / 26 4.8 1 / 221, 1 / 33, 1 / 17 69...
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This note was uploaded on 02/29/2012 for the course MHF 2312 taught by Professor Dr.chet during the Fall '11 term at UNF.

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