Multiple Choice
How many observations should be taken to be 95% confident of being within +5% of the actual time a machine is busy if it is believed that the machine is in use 75% of the time?
A) 1,200 observations
B) 772 observations
C) 364 observations
D) 289 observations
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q8: Under normal circumstances and conditions,the time required
Q9: The normal times for basic,generic micro motions
Q10: As part of a time study a
Q11: Work sampling tends to be more disruptive
Q12: Work sampling is a technique for determining
Q14: The basic principle underlying an incentive piece-rate
Q15: _ time is the time required by
Q16: As part of a time study a
Q17: A work sampling study is being conducted
Q18: How many cycles should be used in