What is the expectation for the $1 four-number bet on a U.S. roulette wheel?
?
?
A. $0.05
B. $0.08
C. - $0.01
D. - $0.08
E. - $0.05
Answer: E
Mathematics
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A. 1
B. 27
C. 9
D. 
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+ 4
A. -19
B. 5
C. 11
D. 19
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A. 
B. 
C. 
D. 
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Find the sum.
A. 72 B. 9 C. 17 D. 8
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