ANSWERS

Random

p. 34: Answers will vary

p. 35: Answers will vary

Probabilityp. 36: 1. 3628800 2. 6 3. 12p. 37: 1. 210 2. 5040 3. 4554.2730 5. 120 6. 1, 11 Variable Statistics

p. 38: 1. 32,13.038, 11.662, 5, 160, 5800

p. 39: 1. 2.222, 0.833, 0.786, 9, 20, 50

2.19, 6.519, 5.831, 5, 95, 1975 3. 3.333, 2.733, 2.494, 6, 20, 104 4. 10.5, 11.862, 10.828, 6, 63, 1365

2 Variable Statistics

p. 40: 1. 3.4, 3.782, 3.382, 5, 17, 115, 5, 3.464, 3.382, 25, 173, 2.147, 0.839

p. 41: 1. 2.5, 1.291, 1.118, 4, 10, 30, 3.75, 3.096, 2.681, 15, 85, -2, 2.3 2. 3.5, 1.871, 1.708, 6, 21, 91, 4.667, 3.327, 3.037, 28, 186, 2.467, 0.629

Complex Numbersp. 42: 1. 1.732 2. 12i 3. 5 4.464ip. 43: 1. 1 2. 3.317 3. i 4. i5.2 2i 6. 1,i,1,i 7. 1
Matrix Calculations

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List Calculations
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6,12,182. 15,10,5 3.

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p. 47: 1. 2,30,14.67,12,44,720,14.189,201.3332.5,17,8.5,7.5,51,214200,4.461,19.9Linear, Quadratic, and Cubic Equationsp. 48: 1. x 3.4, y 0.8 2. x  2,33.x 1,2,3 , (x 1)(x 2)(x 3) 0 p. 49: 1. x  4.545, y  2.7272.x 5.333, y 0.333, z  0.3333.x  0.618,1.618

4.x  1,i,i , (x i)(x i)(x 1) 0

Summationp. 50: 1. 154 2. 0 3. –55

p. 51: 1. 62 2. 0.103 3. 3447.374

4.34.057 5. 1.069 1026 6. 5.187

Derivativesp. 52: 1. 75 2. –13. 0.5p. 53: 1. 1 2. 8154.493 3. 26.83

4.54.598 5. –0.009 6. 63.662

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