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# A project has an expected time of 21 days and and variance of 2 days. What's the probability o finish the projectin 19 daysor less? What's the

A project has an expected time of 21 days and and **variance** of 2 days.

- What's the probability o finish the project in 19 days or less?
- What's the probability o finish the project in 22 days or less?
- What's the probability o finish the project in 20.5 days or more?
- What's the probability o finish the project in 18.5 days or more?