document.write( "Question 417519: Can you please help me with this math problem? I am having a difficult time with it. \r
\n" );
document.write( "\n" );
document.write( "There is a .6 probabilty that an elem tree has Dutch elem disease. An arborist selects 3 elms in the area. Give the sample space that list all of the possible combinations of diseased (D) and not diseased (N) for the 3 trees. \r
\n" );
document.write( "\n" );
document.write( "a) what is the probabilty that none of the 3 trees have the Dutch elm disease? \r
\n" );
document.write( "\n" );
document.write( "b) what is the probabilty that at lease one of the 3 trees has the Dutch elm disease? \r
\n" );
document.write( "
\n" );
document.write( "\n" );
document.write( "I really appreciate you help with this question. Thank you so much! \n" );
document.write( "
Algebra.Com's Answer #292292 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! There is a .6 probabilty that an elem tree has Dutch elem disease. An arborist selects 3 elms in the area. \n" ); document.write( "---------- \n" ); document.write( "Give the sample space that list all of the possible combinations of diseased (D) and not diseased (N) for the 3 trees. \n" ); document.write( "DDD,DDN,DND,NDD,NND,NDN,DNN,NNN \n" ); document.write( "---------------------------------------------- \n" ); document.write( "a) what is the probabilty that none of the 3 trees have the Dutch elm disease? \n" ); document.write( "P(NNN) = 1/8 \n" ); document.write( "------ \n" ); document.write( "b) what is the probabilty that at least one of the 3 trees has the Dutch elm disease? \n" ); document.write( "P(at least one has) = 1 - P(none has) = 1 - (1/8) \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |