Multiple Choice
A work sampling study is being conducted on a loading machine in a warehouse.How many observations should be taken if management wants to be 95% confident the estimate is within +6% of the actual proportion of time the loader is busy if management believes the loading machine is in use 70% of the time?
A) 125 observations
B) 175 observations
C) 225 observations
D) 275 observations
Correct Answer:
Verified
Correct Answer:
Verified
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