document.write( "Question 159985: 40% of students find a job in there chosen field, in a group of 5 what is the probability that at least 1 find a job in his or her field. I'm trying but my answers are way off. I don't know what i'm doing wrong. \n" ); document.write( "
Algebra.Com's Answer #118004 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! \"40% of students find a job in there chosen field\" __ so 60% DON'T\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"the probability that at least 1 find a job in his or her field\" \n" ); document.write( "__ is 1 minus the probability that none find a job in their field\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "probability of NONE (out of 5) is .6*.6*.6*.6*.6 or .6^5 or .078\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so the probability of at least 1 is 1-.078 or .922 \n" ); document.write( " |