document.write( "Question 1193996: Out of six computer chips, two are defective. If two chips are randomly
\n" ); document.write( "chosen for testing (without replacement), compute the probability that
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\n" ); document.write( "a. 0.067
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\n" ); document.write( "c. 0.933
\n" ); document.write( "d. 0.600 \n" ); document.write( "

Algebra.Com's Answer #826076 by math_helper(2461) $\"\"$ $\"About$

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document.write( "2 defective
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document.write( "4 good
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document.write( "6 total\r
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document.write( "P(1st is defective) = 2/6\r
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document.write( "This leaves a total population of 5 from which the 2nd chip is selected:
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document.write( "P(2nd is not defective) = 4/5\r
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document.write( "P = (2/6)*(4/5) = 8/30 or approx. 0.267\r
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