document.write( "Question 1045639: Of the repair jobs that Bernie's Machine Shop receives. 20% are welding jobs and 80% are machining jobs. \r
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document.write( "(a) What is the probability that the next three jobs to come will be welding jobs? _____
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document.write( "(b) What is t the probability that two of the next three jobs to come in will be machining jobs? _____ \n" );
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Algebra.Com's Answer #661175 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Assuming randomness, the first is 0.2^3=0.008 \n" ); document.write( "The second has 3 ways of occurring, and probabilities are .8*.8*.2. They are added together, so 3*0.8*0.8*0.2=0.384 \n" ); document.write( " |