A construction company employs two sales engineers. Engineer 1 does the work of estimating cost for 70% of jobs bid by the company. Engineer 2 doe the work for 30% of jobs bid by the company. It is known that the error rate for engineer 1 is 0.02 when he does the work, whereas the error rate is 0.04 for engineer 2. Suppose a bid arrives and a serious error occurs in estimating cost. Which engineer would you guess did the work?

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

Un jugador de beisbol batea un foul recto en el aire. la pelota deja el bate con una rapidez de 120 km/h. en ausencia de resistencia del aire. ? cual sera la rapidez de la pelota cuando la atrape el catcher

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e