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Question
The expected activity time in PERT analysis is calculated as:
A) the simple average of the optimistic, pessimistic, and most likely times.
B) the weighted average of a, m, and b, with m weighted 4 times as heavily as a and b.
C) the sum of the optimistic, pessimistic, and most likely times.
D) the sum of the optimistic, pessimistic, and most likely times, divided by six.
E) the sum of the activity variances, divided by six.
Answer
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Related questions
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Q:
The tracking signal is the:
A) standard error of the estimate.
B) absolute deviation of the last period's forecast.
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D) ratio of cumulative error / MAD.
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A) immediate rivals
B) potential entrants
C) customers
D) suppliers
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Service organizations can immerse the consumer in the service, or have the consumer become a participant in the service, as they practice ________.
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B) rejecting a good lot.
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The probability of rejecting a good lot is known as consumer's risk.
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Because most services cannot be inventoried, there is little place for JIT to help service organizations achieve competitive advantage.
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A) employee development.
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D) challenging jobs.
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Q:
Demand for a given item is said to be dependent if:
A) it originates from the external customer.
B) there is a deep bill of material.
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Q:
Industries in which revenue management techniques are easiest to apply are those where:
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B) use tends to be predictable, and pricing tends to be variable.
C) use tends to be uncertain, and pricing tends to be fixed.
D) use tends to be uncertain, and pricing tends to be variable.
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________ rely on a variety of supplier relationships to provide services on demand.
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A) higher capital cost
B) higher wage rates
C) smaller labor pool
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E) All of the above are limitations of job expansion.
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When a worker obtains clear and timely information about his/her performance, his/her job includes which of the following characteristics?
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Q:
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Q:
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A) estimate the trend line.
B) eliminate forecast errors.
C) measure forecast accuracy.
D) seasonally adjust the forecast.
E) remove random variations.
Q:
Which of the following is NOT a key benefit of MRP?
A) increased quality
B) better response to customer orders
C) faster response to market changes
D) improved utilization of facilities and labor
E) reduced inventory levels
Q:
Demand for a given item is said to be dependent if:
A) it originates from the external customer.
B) there is a deep bill of material.
C) the finished products are mostly services (rather than goods).
D) there is a clearly identifiable parent.
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Q:
Weight Day
Package 1
Package 2
Package 3
Package 4 Monday
23
22
23
24 Tuesday
23
21
19
21 Wednesday
20
19
20
21 Thursday
18
19
20
19 Friday
18
20
22
20 (a) If he sets an upper control limit of 21 and a lower control limit of 19 around the target value of twenty ounces, the control chart is based on what value of z?
(b) With the UCL and LCL of part a, what do you conclude about this processis it in control?
Answer:
Q:
What is the difference between natural and assignable causes of variation?
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What are the three possible results (or findings) from the use of control charts?
Q:
An assembly line has 10 stations with times of 1, 2, 3, 4, , 10, respectively. What is the bottleneck time?
A) 18.18% of the throughput time
B) 100% of the throughput time
C) 550% of the throughput time
D) 50% of the throughput time
E) 1.82% of the throughput time