document.write( "Question 1136741: a human resources director for a large corporation claims the probability a randomly selected employee arrives to work on time is .95. If we take a random sample of 3 employees, what's the probability that at least one of them arrive on time ? \n" ); document.write( "
Algebra.Com's Answer #754561 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! What is the probability that none arrives on time? \n" ); document.write( "It is .05^3=0.000125 \n" ); document.write( "everything else is at least 1 or 0.0.999875\r \n" ); document.write( "\n" ); document.write( "prob of all 3 is .95^3=0.857 \n" ); document.write( "of 2 is 3 (ways it can happen)*.95*.05=0.135 \n" ); document.write( "of 1 is 3*0.95*0.05^2=0.007\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |