document.write( "Question 1073368: Some teachers from the university of Wisconsin mailed surveys to 1000 residents of a county in Wisconsin. Of those surveys, only 254 responded about a habit whose scientific name is rhinotillexomania, or its common name, nose- picking. The somewhat disturbing results are summarized below .
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document.write( "Frequency of picking Number of people
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document.write( "Never 22
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document.write( "Sometimes 110
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document.write( "Daily 64
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document.write( "2-5 times daily 55
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document.write( "Hourly 3 \r
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document.write( "A. What is the probability that a random selected person from that county would pick their nose at least twice a day?\r
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document.write( "B. How accurate do you think these probabilities are in determining the habits of all Americans? Explain.\r
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Algebra.Com's Answer #688246 by jorel1380(3719) You can put this solution on YOUR website! 254 people responded, so: \n" ); document.write( "A.55+3/254=0.2283 or a 22.83% chance a randomly selected person picks their nose at least twice a day. \n" ); document.write( "B. These results are probably not accurate in describing all Americans because the sample size is too small; and one county in Wisconsin is probably not completely representative of all Americans. ☺☺☺☺ \n" ); document.write( " |