document.write( "Question 1195974: A school class went on a field trip to see a magician perform. There were 17 females and 20 males in the class. The magician randomly selected a volunteer from the audience, which had 52 females and 68 males. Given that the randomly selected audience member is a student from the class, which equation can be used to find the probability, P, that the person is also a female?
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Algebra.Com's Answer #828621 by ikleyn(52810) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "        P = $\"17%2F%2817%2B20%29\"$ = $\"17%2F37\"$ .         ANSWER\r
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\n" ); document.write( "\n" ); document.write( "Explanation.   You reduce the space of events to 17+20 = 37 persons,\r
\n" ); document.write( "\n" ); document.write( "                      since it is GIVEN that the selected audience member is a person from the class.\r
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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