document.write( "Question 460593: The probability that a new battery will last 6 months is 0.9 and that it will last 1 year is 0.75. At the end of 6 months, what is the probability that the battery will last until the end of the first year? \n" ); document.write( "
Algebra.Com's Answer #315958 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
100*.9=90 survived 6 mos.
\n" ); document.write( "100*.75=75 survived 12 mos
\n" ); document.write( "75/90=5/6 probability that the battery will last until the end of the first year.
\n" ); document.write( ".
\n" ); document.write( "Ed\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );