PHL 215-01

EX 4.1

  1. yes, mutually exclusive; heart ≠ spade
  2. hw
  3. 50%
  4. hw
  5. 3/13
  6. hw

EX 4.2

  1. r = p [1 + w/b]  —  r = 1/2 [1 + 1/1]  —  1/2 x 2 = 1 = 100%
  2. hw
  3. r = 1/2 [1+ 2/1]
  4. hw
  5. r = 1/3 [1 + 17/9]
  6. hw
  7. r = .3 [1 + 5/2]
  8. hw

EX. 4.3

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