document.write( "Question 1195462: box 1 contains 30 red balls and 70 white balls, box 2 contains 50 red balls and 50 white balls , box 3 contains 75 red balls and 25 red balls the three boxes are all emptied into a large box and a ball is selected at random .if the selected ball is red what is the probability that it came from box 2? \n" ); document.write( "

Algebra.Com's Answer #827953 by ikleyn(52776) $\"\"$ $\"About$

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\n" ); document.write( "box 1 contains 30 red balls and 70 white balls,
\n" ); document.write( "box 2 contains 50 red balls and 50 white balls ,
\n" ); document.write( "box 3 contains 75 red balls and 25 red balls
\n" ); document.write( "the three boxes are all emptied into a large box and a ball is selected at random .
\n" ); document.write( "if the selected ball is red what is the probability that it came from box 2?
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document.write( "In all, there are 30+50+75 = 155 red balls in the large box.\r\n" );
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document.write( "Of them, 50 red balls came from box 2.\r\n" );
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document.write( "Therefore, if the selected ball is red, the probability that it came from box 2 is  \r\n" );
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document.write( "     = .    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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\n" ); document.write( "\n" ); document.write( "Thank you for asking.\r
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