document.write( "Question 1153665: The cycle of a traffic light at an intersection of two streets is 35 seconds green, 5 seconds yellow, and 10 seconds red. If you reach the intersection at a random time, what is the probability that the light is red?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #775941 by ikleyn(52811) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "This probability is the ratio of the duration of red light (10 seconds) and the full cycle duration of \r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "    35 + 5 + 10 = 50 seconds.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "So, the probability under the problem's question is  P =  =  = 0.2 = 20%.    ANSWER\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );