document.write( "Question 342676: Please help! A traffic signal is green for 20 seconds, then amber for 5 seconds, then red for 30 seconds. When you reach the signal, what is the probability it is:
\n" );
document.write( "a: green b: amber \n" );
document.write( "
Algebra.Com's Answer #245242 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Please help! A traffic signal is green for 20 seconds, then amber for 5 seconds, then red for 30 seconds. When you reach the signal, what is the probability it is: \n" ); document.write( "a: green \n" ); document.write( "P(green) = 20/55 = 0.3636 \n" ); document.write( "------------------- \n" ); document.write( "b: amber \n" ); document.write( "P(amber) = 5/55 = 1/11= 0.0909 \n" ); document.write( "================================ \n" ); document.write( "cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |