document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=947572>Question 947572</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let x denote the lifespan of a transistor (in Hour) with the following probabilities : P(X <= 200)= 0.08 and P(X > 600)=0.45\r<BR>\n" );
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document.write( "a)What is the probability that the life is less than or equal to 600 hours?\r<BR>\n" );
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document.write( "b)What is the probability that the life is greater than 200 hours?\r<BR>\n" );
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document.write( "c) What is P(200< X <= 600) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #578259 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=578259\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x denote the lifespan of a transistor (in Hour) with the following probabilities : P(X <= 200)= 0.08 and P(X > 600)=0.45<BR>\n" );
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document.write( "Note: Draw a normal distribution curve and plot the data<BR>\n" );
document.write( "so you can see why the answers are what they are.<BR>\n" );
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document.write( " a)What is the probability that the life is less than or equal to 600 hours?<BR>\n" );
document.write( "Ans:: 1-045 = 0.55<BR>\n" );
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document.write( "b)What is the probability that the life is greater than 200 hours?<BR>\n" );
document.write( "Ans:: 1-0.08 = 0.92<BR>\n" );
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document.write( "c) What is P(200< X <= 600)<BR>\n" );
document.write( "Ans: 1 - [0.08+0.45] = 1-0.53 = 0.47<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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