Show your work! Pease efex, the "Show Work" button and type oul your step-by-step wock, including the equations, plugging the data, calculations, final results and conclusions. If no work is shown, you wil receive. zero credit lor this question, Once the exars has been submitiod, no further work will be accepted. Consider a business that crafs gutar cords. The ideal length of these cords are targeted at 6ft. The production ine's variation is measured by a standard deviation, amounting to 0.03ft. The movimum threshold, and $0.73 for cords falling short of the minimum. Each foot of the cord costs $2.25, and the componys annual eutput is 145,000 of these gutar conds a) Zup= (round your response to two decimal places). b) P(>USL)= (round your response to four decimal places). c) Zdown= (round your response to two decimal places). d) P(