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Part $1$

Suppose that a task in a project has the following time$$ estimates:

t Subscript oequalsoptimistic completion timeequals$11$ weeks

t Subscript mequalsmost likely completion timeequals$16$ weeks

t Subscript pequalspessimistic completion timeequals$20$ weeks

Compute the expected task variance.

Part $2$

The task expected task variance is

$$

enter your response here weeks. $($Enter your response rounded to two decimal$$ places.$)$