document.write( "Question 367089: a company finds that 20% of thier employees resign within one year. \r
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document.write( "find the probability that among 30 employees, exactly 5 will resign \r
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document.write( "I got the answer of .421 but not sure, how to check it\r
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document.write( "thank you \n" );
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Algebra.Com's Answer #261732 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a company finds that 20% of thier employees resign within one year. \n" ); document.write( "find the probability that among 30 employees, exactly 5 will resign \n" ); document.write( "I got the answer of .421 but not sure, how to check it \n" ); document.write( "---------------- \n" ); document.write( "Binomial Problem with n=30 and p = 0.2 \n" ); document.write( "--- \n" ); document.write( "P(x= 5) = 30C5*(0.2)^5*(0.8)^25 = 142506*0.00032*0.003778 = 0.172278.. \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |