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Q. |
If an activity has its optimistic, most likely and pessimistic times as 2, 3 and 7 respectively, then its expected time and variance are respectively |
A. | 3.5 and 5/6 |
B. | 5 and 25/36 |
C. | 3.5 and 25/36 |
D. | 4 and 5/6 |
Answer» C. 3.5 and 25/36 |
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