document.write( "Question 257288: Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning ticket is to be $500, what are your expected winnings? \n" ); document.write( "
Algebra.Com's Answer #189258 by drk(1908)\"\" \"About 
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Expected value is
\n" ); document.write( "np = (1/3000)*($500) = $(1/6) = 16.66 cents
\n" ); document.write( "you pay $1, so your expected winnings would be
\n" ); document.write( ".16666 - 1.00 = -$ 0.83 cents
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