document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39638>Question 39638</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that an experiment is repeated four times. A certain event has probability 1/10 in a single repetition of the experiment. What is the probability that it occurs at least once? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #25098 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=25098\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose that an experiment is repeated four times. A certain event has probability <BR>\n" );
document.write( "OF WHAT ?OCCURRENCE OR NON OCCURRENCE?ASSUMING IT IS FOR OCCURRENCE<BR>\n" );
document.write( "1/10 in a single repetition of the experiment. What is the probability that it occurs at least once?<BR>\n" );
document.write( "P(O)=1/10=0.1....P(NO)=9/10=0.9<BR>\n" );
document.write( "LET US FIND PROBABILITY OF NO OCCURRENCEIN 4 TRIALS =(0.9)^4<BR>\n" );
document.write( "HENCE PROBABILITY OF ATLEAST 1 OCCURRENCE =1-(0.9)^4 </SPAN>\n" );
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