document.write( "Question 1120002: Toss a coin five times and observe the sequence of heads or tails. In how many of the sequence are the first three tosses identical? \n" ); document.write( "

Algebra.Com's Answer #735646 by rothauserc(4718) $\"\"$ $\"About$

You can put this solution on YOUR website!
Total number of possible events = 2^5 = 32
\n" ); document.write( ":
\n" ); document.write( "Let H be heads and T be tails, then we have
\n" ); document.write( ":
\n" ); document.write( "HHHT* where * is either a H or a T = 2 events
\n" ); document.write( ":
\n" ); document.write( "TTTH* = 2 events
\n" ); document.write( ":
\n" ); document.write( "Therefore a total of 4 events where the first three tosses are identical
\n" ); document.write( ":
\n" ); document.write( " \n" ); document.write( "

\n" );