Multiple Choice
A work sampling method is used to determine the proportion of the time a machine is idle. The following information was gathered on a random basis. 
What is the proportion of idle time observed for this machine?
A) less than or equal to 5%
B) greater than 5% but less than or equal to 15%
C) greater than 15% but less than or equal to 25%
D) greater than 25%
Correct Answer:
Verified
Correct Answer:
Verified
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