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Mathematics, 06.10.2019 09:00 gonsalex6688
Aconstruction company employs two sales engineers. engineer 1 does the work of estimating cost for 70% of jobs bid by the company. engineer 2 does the work for 30% of jobs bid by the company. it is known that the error rate for engineer 1 is such that 0.02 is the probability of an error when he does the work, whereas the probability of an error in the work of engineer 2 is 0.04. suppose a bid arrives and a serious error occurs in estimating cost. which engineer would you guess did the work? explain and show all work.
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