document.write( "Question 486396: mr.doodles grade distribution over the past 3 years for a course in college algebra is shown below.
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document.write( "A=45
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document.write( "B=180
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document.write( "C=210
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document.write( "D=95
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document.write( "F=65
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document.write( "I=5
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document.write( "If jane plans to take a college algebra course with mr.doodle, determine the empirical probability that she recieves an A. \n" );
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Algebra.Com's Answer #332470 by Theo(13342)![]() ![]() You can put this solution on YOUR website! the empirical probability that she receive an A is equal to .075 or 7.5%. \n" ); document.write( "this is because, historically, 7.5% of the students who took mr. doodle's course have gotten an A.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the table below shows the probability of getting any specified grade in mr. doodle's course based on past experience.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the probability is equal to the proportion of the population who got that grade. \n" ); document.write( "100% times the proportion equals the percent.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "45/600 = .075 * 100% = 7.5%\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "45 number of people who got A ***** \r\n" ); document.write( "180 number of people who got B \r\n" ); document.write( "210 number of people who got C \r\n" ); document.write( "95 number of people who got D \r\n" ); document.write( "65 number of people who got F \r\n" ); document.write( "5 number of people who got I \r\n" ); document.write( " \r\n" ); document.write( "600 total number of people \r\n" ); document.write( " \r\n" ); document.write( "0.075 ratio of people who got A ***** \r\n" ); document.write( "0.3 ratio of people who got B \r\n" ); document.write( "0.35 ratio of people who got C \r\n" ); document.write( "0.158333333 ratio of people who got D \r\n" ); document.write( "0.108333333 ratio of people who got F \r\n" ); document.write( "0.008333333 ratio of people who got I \r\n" ); document.write( " \r\n" ); document.write( "1 total ratio (should be equal to 1) \r\n" ); document.write( "\n" ); document.write( " |