document.write( "Question 1118585: #10 From a shipment of 65 transistors, 3 of which are defective, a sample of 4 transistors is selected at random.
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Algebra.Com's Answer #734156 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "#10 From a shipment of 65 transistors, 3 of which are defective, a sample of 4 transistors is selected at random.\r
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document.write( "(a)  In how many different ways can the sample be selected?\r\n" );
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document.write( "     In  =  = 788040 ways.\r\n" );
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document.write( "(b)  How many samples contain exactly 3 defective transistors?\r\n" );
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document.write( "     62 samples:  To the subset of 3 defective samples,  you can add ONE and ONLY ONE of the remaining 62 transistors.\r\n" );
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document.write( "(c)  How many samples do not contain any defective transistors?\r\n" );
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document.write( "      =  = 557845 samples.\r\n" );
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