document.write( "Question 955660: In a certain town, 50% of the residents own a cellular phone, 40% own a pager, and 20% own both a cellular phone and a pager. What is the probability that a resident owns a cellular phone or a pager?
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Algebra.Com's Answer #583815 by stanbon(75887) $\"\"$ $\"About$

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In a certain town, 50% of the residents own a cellular phone, 40% own a pager, and 20% own both a cellular phone and a pager. What is the probability that a resident owns a cellular phone or a pager?
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\n" ); document.write( "P(cell OR page) = P(cell)+P(page)-P(cell AND page)
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\n" ); document.write( "= 0.5 + 0.4 - 0.2 = 0.7
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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