document.write( "Question 1161336: If 80% of job applicants are
\n" ); document.write( "able to pass a computer literacy test, find the mean,
\n" ); document.write( "variance, and standard deviation of the number of
\n" ); document.write( "people who pass the examination in a sample of
\n" ); document.write( "150 applicants. \n" ); document.write( "

Algebra.Com's Answer #785055 by Boreal(15235) $\"\"$ $\"About$

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mean is np=150*0.8=120 applicants
\n" ); document.write( "variance is np(1-p)=120*0.2=24 applicants^2
\n" ); document.write( "sd is sqrt (V)=4.90 applicants \n" ); document.write( "

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