Statistics

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3. A one-legged, red-nosed tramp approaches John in the park and tells him he can predict the next day’s weather perfectly after he has drunk a shot of “Ripple” wine (cost of one shot: $0.50). If the tramp is telling the truth, should John engage in this transaction?
a) Yes
b) No
c) Not enough information to answer this question.

4. Assume that John is using minimax regret criteria, how many dozen should he buy?

a) 0
b) 1
c) 1.5
d) 2
e) 2.5

5. If the weather bureau’s forecast for the next day is 30 percent chance of rain, 20 percent chance of being sunny, how many dozen bars should he buy for tomorrow?
a) 0
b) 1
c) 2
d) 3

6. The value of perfect information is:
a) 4
b) 20
c) 24
d) 45
e) 54

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