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? \n" );
document.write( "
Algebra.Com's Answer #783468 by greenestamps(13198)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "HHH \n" ); document.write( "HHT \n" ); document.write( "HTH \n" ); document.write( "TTH \n" ); document.write( "HTT \n" ); document.write( "THT \n" ); document.write( "TTH \n" ); document.write( "TTT \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 \n" ); document.write( " \n" ); document.write( "The expected winnings are $12.50. \n" ); document.write( " \n" ); document.write( " |