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Project task E has the following estimates: (1) optimistic time - 10 days, (2) Pessimistic time - 20 days, and (3) Most likel
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Answer #1

Option D 1.67

Standard deviation short method

= (Pessimistic time - optimistic time) ÷ 6

= (20 - 10) ÷6

= 1.67 days

Pessimistic time = longest time estimated

Optimistic time= shortest time estimated

6 = days in week

Most likely time is normal time estimated

Pls pls give a ? if you find it helpful and if you have any query please ask it in the comments section.

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