document.write( "Question 1160213: A coin is flipped 3 times. If you get no tail you win nothing, tails once you get $5, tails
\n" ); document.write( "twice you get $15, and tails on all three flips you get $40.
\n" ); document.write( "a. List the probability distribution of the amount you win
\n" ); document.write( "b. What is the expected amount of money you will get?
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Algebra.Com's Answer #783468 by greenestamps(13198)\"\" \"About 
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\n" ); document.write( "HHH

\n" ); document.write( "HHT
\n" ); document.write( "HTH
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\n" ); document.write( "HTT
\n" ); document.write( "THT
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\n" ); document.write( "a. Probabilities....

\n" ); document.write( "0 tails: 1 way out of 8 total: P(0) = 1/8
\n" ); document.write( "1 tails: 3 ways out of 8 total: P(1) = 3/8
\n" ); document.write( "2 tails: 3 ways out of 8 total: P(2) = 3/8
\n" ); document.write( "3 tails: 1 way out of 8 total: P(3) = 1/8

\n" ); document.write( "b. Expected payout

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\n" ); document.write( "The expected winnings are $12.50.

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