A construction rma has two sales engineers. Engineer no. 1 job has a price estimate for 80% of the tender competitions the company participates in. Engineer no. 2 job has a price estimate for 20% of the tender competitions. The probability that engineer no. 1 estimates errors is 0.02 while for engineer no. 2 this probability is 0.04. question What is the probability that it is engineer no. 1 who has done a job in the next price estimate with a serious error?

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