document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=351702>Question 351702</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are five chemistry instructors and six physics instructors at a college. If a committee of four instructors is selected, find the probability that at least one of them is a physics instructor. Express your answer as a fraction in lowest terms. \r<BR>\n" );
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document.write( "I keep trying to multiply 5/11^4 and then subtracting from one and I cant get the answer. I am so confused.\r<BR>\n" );
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document.write( "Also, this problem:If three cards are drawn from a deck and not replaced, find the probability of getting at least one spade. Express your answer as a fraction in lowest terms.\r<BR>\n" );
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document.write( "I tried multiplying 39/52^3 and then subtracting from 1 but thats not it either and I have to have both of these in fraction form. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #251367 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=251367\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There are five chemistry instructors and six physics instructors at a college. If a committee of four instructors is selected, find the probability that at least one of them is a physics instructor. Express your answer as a fraction in lowest terms. <BR>\n" );
document.write( "I keep trying to multiply 5/11^4 and then subtracting from one and I cant get the answer. I am so confused.<BR>\n" );
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document.write( "P(at least one physics) = 1 - P(no physics)<BR>\n" );
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document.write( "= 1 - 5C4/11C4<BR>\n" );
document.write( "= 1 - 0.0152<BR>\n" );
document.write( "= 0.9848<BR>\n" );
document.write( "= 1231/1250<BR>\n" );
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document.write( "Also, this problem:If three cards are drawn from a deck and not replaced, find the probability of getting at least one spade. Express your answer as a fraction in lowest terms.<BR>\n" );
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document.write( "P(at least one spade in three) = 1 - P(no spades in three)<BR>\n" );
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document.write( "= 1 - 39C3/52C3<BR>\n" );
document.write( "= 1 - 0.4135<BR>\n" );
document.write( "= 0.5865<BR>\n" );
document.write( "= 997/1700<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. <BR>\n" );
document.write( "I tried multiplying 39/52^3 and then subtracting from 1 but thats not it either and I have to have both of these in fraction form.<BR>\n" );
document.write( "0 solutions<BR>\n" );
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