Question 849522
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Hi,
Mike, win $4 if Club is drawn.  Otherwise: Loses $2 .   
P(Club) = 13/52 = 1/4
E(Mike) = $4(1/4) - $2(3/4) = $1 - $1.50 = -$0.50
E(Dave) = $2(3/4) -  $4(1/4)= $1.50 - $1 = $0.50