document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=896710>Question 896710</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two aero planes bomb a target in succession. The probability of each correctly scoring a hit is 0.3 and 0.2 respectively. The second will bomb only if the first misses the target. Find the probability that (i) target is hit (ii) both fails to score hits. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #543939 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=543939\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two aero planes bomb a target in succession. The probability of each correctly scoring a hit is 0.3 and 0.2 respectively. The second will bomb only if the first misses the target. <BR>\n" );
document.write( "Find the probability that <BR>\n" );
document.write( "(i) target is hit <BR>\n" );
document.write( "Success:: 1st hits or 1st misses and 2nd hits<BR>\n" );
document.write( "P(hit) = 0.3 + 0.7*0.2 = 0.3 + 0.14 = 0.44<BR>\n" );
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document.write( "(ii) both fails to score hits.<BR>\n" );
document.write( "Success:: both miss<BR>\n" );
document.write( "P(both miss) = 0.7*0.8 = 0.56<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------------- </SPAN>\n" );
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