document.write( "Question 1017044: If 110 people took a promotional test 30% failed the test and the average mark of the test was 56% and I scored 2 marks above average is there anyway of working out how many people passed? \n" ); document.write( "
Algebra.Com's Answer #633369 by Boreal(15235) You can put this solution on YOUR website! You need more information, like the variability, the type of distribution, and the percentage at which a person failed. \n" ); document.write( "The median is where half are above and half below. The average can be the median, but it can be far from it, too. \n" ); document.write( "It is possible to construct a distribution where 33 got a 0%, 76 got a 79% and you got a 58. That would have an average of 56% and 77 passed. \n" ); document.write( "There are many, many other such distributions. \n" ); document.write( " |