document.write( "Question 288327: A and B are independent events .probability that both occurs is 1/6 and probability of neither is 1/3.probability of A is \n" ); document.write( "
Algebra.Com's Answer #209021 by richwmiller(17219)\"\" \"About 
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all possibilities equals 1\r
\n" ); document.write( "\n" ); document.write( "both, neither,a only and b only are all possibilities
\n" ); document.write( "a DISABLED_event_only= b only
\n" ); document.write( "a=b
\n" ); document.write( "2a=x\r
\n" ); document.write( "\n" ); document.write( "1/6+1/3+x=1
\n" ); document.write( "1/6+2/6+x=1
\n" ); document.write( "3/6+x=1
\n" ); document.write( "x=3/6
\n" ); document.write( "2a=3/6=2/4
\n" ); document.write( "a=1/4
\n" ); document.write( "
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