document.write( "Question 1042133: I need help on parts A and B please.\r
\n" );
document.write( "\n" );
document.write( "PROBABILITY\r
\n" );
document.write( "\n" );
document.write( "8.
\n" );
document.write( "a) If you flip three coins onto the floor, write out the sample space to observe
\n" );
document.write( " all possibilities of how the coins fall (heads or tails):\r
\n" );
document.write( "\n" );
document.write( " SAMPLE SPACE (list all possibilities):
\n" );
document.write( " List them here in a square.
\n" );
document.write( " \r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "b) In flipping three coins, what is the probability that you get exactly 2 tails to fall? __________
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #657119 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "8. \n" ); document.write( "a) If you flip three coins onto the floor, write out the sample space to observe \n" ); document.write( "all possibilities of how the coins fall (heads or tails): \n" ); document.write( "SAMPLE SPACE (list all possibilities): \n" ); document.write( "List them here in a square.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "H = heads \n" ); document.write( "T = tails\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Sample Space: \n" ); document.write( "HHH \n" ); document.write( "HHT \n" ); document.write( "HTH \n" ); document.write( "THH \n" ); document.write( "HTT \n" ); document.write( "THT \n" ); document.write( "TTH \n" ); document.write( "TTT\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 8 items in the sample space \n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--------------------------------------------------------------------------------------------------------------------- \n" ); document.write( "---------------------------------------------------------------------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b) In flipping three coins, what is the probability that you get exactly 2 tails to fall? __________\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Look above at the sample space in part (a). Notice how tails T shows up twice in the cases \n" ); document.write( "HTT \n" ); document.write( "THT \n" ); document.write( "TTH \n" ); document.write( "which is three times out of eight total. So the probability as a fraction is 3/8. The probability as a decimal is 0.375 (use a calculator to find 3/8 = 0.375) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |