A local trade union consists of plumbers and electricians. Classified according to rank: Apprentice Journeyman Master Plumbers 55 40 10 Electricians 25 40 10 A member of the union is selected at random. Given that the person selected is an electrician, the probability that he is a master is:
A local trade union consists of plumbers and electricians. Classified according to rank: Apprentice Journeyman Master Plumbers 55 40 10 Electricians 25 40 10 A member of the union is selected at random. Given that the person selected is an electrician, the probability that he is a master is:
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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A 13.3%
B 26.6%
C 39.9%
D 53.2%
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