(10 points) You want to calculate the standard time for an assembly of a product. To do that you apply work sampling and make observations on an assembly operator. Work sampling data are below. What is the standard time for the assembly of this product? (in minutes)? NOTE: Round your results to two digits and choose the closest value. 10 80 300 240 Duration of work sampling study (days) Total hours of work Total number of observations Obervations of assembly task Mean Westinghouse rating for the operator Total Number of assembled products during sampling period 1.2 1600 Allowances (96) Personal Fatique Variable