Question: Example #4 The allowance factor for personal time, fatigue, and delay (PF&D) is to be determined in the machine shop area. If it is estimated

Example #4 The allowance factor for personal

Example #4 The allowance factor for personal time, fatigue, and delay (PF&D) is to be determined in the machine shop area. If it is estimated that the proportion of time per day is spent in these three categories (personal time, fatigue, and delay are grouped together to obtain one proportion) is 0.12, determine how many observations would be required to be 95% (SD = 1.96) confident that the estimated % proportion is within +0.02 of the true proportion

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