Multiple Choice
Management believes a critical piece of equipment is busy 85% of the time.How many observations should be taken if management wants to be 98% confident the estimate is within +2.5% of the actual proportion of time the equipment is in use?
A) 250 observations
B) 525 observations
C) 757 observations
D) 1,108 observations
Correct Answer:
Verified
Correct Answer:
Verified
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