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NorrisBBQ NorrisBBQ
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6 years ago
Research has shown that, in general:
 
  A) There is a tendency to underestimate activity lengths.
  B) There is a tendency to overestimate activity lengths.
  C) The activity lengths are estimated correctly.
  D) The activity lengths are estimated correctly but the networks are drawn incorrectly.
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PinkFlowerPinkFlower
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6 years ago
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NorrisBBQ Author
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6 years ago
Correct Slight Smile TY
dearsophia21
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
shangshang
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2 hours ago
Smart ... Thanks!
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