document.write( "Question 303255: I have a simple probability problem that I think I solved, but I am unsure of my answer. Here is the situation:\r
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document.write( "There are 160 girls and 96 boys enrolled at a high school. The school newspaper will randomly select a student to be interviewed. What is the probability of selecting a girl?\r
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document.write( "My answer:
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document.write( " 160+96 = 256 (total students, total outcome)\r
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document.write( " P = 160 (girls)
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document.write( " __________________\r
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document.write( " 256 (total outcome)\r
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document.write( "Simplify\r
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document.write( " 160/256 = 5/8\r
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document.write( "Decimal\r
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document.write( " .625\r
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document.write( "Percent\r
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document.write( " 62.5%\r
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document.write( " OR!\r
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document.write( "Alternate answer:\r
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document.write( " P = 2 (favorable outcomes)
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document.write( " _______________________\r
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document.write( " 256 (possible outcomes)\r
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document.write( "Simplify\r
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document.write( " 2/256 = 1/128\r
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document.write( "Decimal\r
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document.write( " .70\r
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document.write( "Percent\r
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document.write( " 70%\r
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document.write( "If anyone comes out with a different answer, please correct me. I would really appreciate it. Thank you!\r
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document.write( "Lauren\r
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document.write( "
Algebra.Com's Answer #217419 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Your first answer is correct. \n" ); document.write( "P(girl)=girls/total=girls/(girls+boys) \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "I'm not sure about your alternate answer. \n" ); document.write( "That would only be true if there were 2 girls out of 160. \n" ); document.write( "Also, 1/128=0.0078125 or 0.72% \n" ); document.write( " |