Question: Please help using Table B ASAP. Thank you. Determine the optimum preventive maintenance frequency for each of the pleces of equipment if breakdown time is

Determine the optimum preventive maintenance frequency for each of the pleces of equipment if breakdown time is normally distributed: (Round "Probability Ratio" to 4 decimal places, and all other answers to 2 decimal places. Negative values should be indicated by a minus sign.) Use Table. Click here for the Excel Data File 1. Areas under the standardiced nomal curve, from to z
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