How many observations are required a relative accuracy

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Reference no: EM131855092

For a machine, its estimated percent of idle timing is 35%, estimated percent of operating is 50% and its estimated percent of maintenance is 15%.

If confidence level desired is 95%, how many observations are required if a relative accuracy of 10% is required for operation?

How many observations are required if a relative accuracy of 10% is required for maintenance?

Reference no: EM131855092

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