document.write( "Question 1044878: If each outcome is equally likely, what is the probability that all 4 coin tosses result in heads? The complement of all four heads is at least one tail. Compute the probability that there will be at least one tail out of the four coin tosses. \n" ); document.write( "
Algebra.Com's Answer #660307 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
Rule of thumb:\r\n" );
document.write( "\r\n" );
document.write( "1. \"and\" usually means to multiply probabilities\r\n" );
document.write( "2. \"or\" usually means to add probabilities\r\n" );
document.write( "\r\n" );
document.write( "\"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( "\"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( "\"%22%22=%22%22\"\"1%2F16\"\r\n" );
document.write( "\r\n" );
document.write( "Therefore,\r\n" );
document.write( "\r\n" );
document.write( "\"%22%22=%22%22\"\"1-1%2F16\"\"%22%22=%22%22\"\"16%2F16-1%2F16\"\"%22%22=%22%22\"\"15%2F16\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );