document.write( "Question 323788: Of all the iPods in a large shipment, 2% have a defective battery, 1% has a defective headphone jack, and 0.5% have both defects. If you purchase one at random, find the probability it has each of the following:
\n" ); document.write( "a. A defective battery or defective headphone jack.
\n" ); document.write( "b. A good battery and good headphone jack.
\n" ); document.write( "c. Exactly one fo the two defects.
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Algebra.Com's Answer #231730 by stanbon(75887)\"\" \"About 
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Of all the iPods in a large shipment, 2% have a defective battery,
\n" ); document.write( "1% has a defective headphone jack,
\n" ); document.write( "and 0.5% have both defects.
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\n" ); document.write( "If you purchase one at random, find the probability it
\n" ); document.write( "has each of the following:
\n" ); document.write( "a. A defective battery OR defective headphone jack.
\n" ); document.write( "= p(db)+P(hj) - P(db and hj)
\n" ); document.write( "= 0.02 + 0.01 - 0.005 = 0.025
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\n" ); document.write( "b. A good battery AND good headphone jack.
\n" ); document.write( "= P((db)' and (hj)'] = P(db)' + P(hj)' - P((db)' OR (hj)
\n" ); document.write( "= 0.98 + 0.99 - 0.995 = 0.97.5
\n" ); document.write( "========================================== c. Exactly c. One of the two defects.\r
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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