document.write( "Question 1156371: The mean starting salary for college graduates in spring of 2018 was $43,200. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3500. What percent of the graduates have starting salaries:\r
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document.write( "a. Less than $38,000?\r
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document.write( "b. More than $45,000?\r
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document.write( "c. Between $38,000 and $45,000?\r
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Algebra.Com's Answer #779071 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! z=(x-mean )/sd \n" ); document.write( "first is z<(38000-43200)/3500=-5200/3500=-1.49 \n" ); document.write( "probability is 0.0681\r \n" ); document.write( "\n" ); document.write( "second is z>1800/3500 or 0.51. probability is 0.3050\r \n" ); document.write( "\n" ); document.write( "third is the z between (-1.49 and +0.51) or the complement of the sum above \n" ); document.write( "the answer for both is the same or 0.6269 \n" ); document.write( " |