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Question
An activity on a PERT network has these time estimates: optimistic = 2, most likely = 3, and pessimistic = 8. What is its expected activity time and variance?
A) 3.67; 1
B) 3.67; 6
C) 4.33; 1
D) 4.33; 6
E) none of the above
Answer
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Related questions
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Q:
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The probability of rejecting a good lot is known as consumer's risk.
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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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A) estimate the trend line.
B) eliminate forecast errors.
C) measure forecast accuracy.
D) seasonally adjust the forecast.
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Q:
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B) better response to customer orders
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B) there is a deep bill of material.
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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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Q:
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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