Question: Given the following task time estimates, Task OPT ML PESS 1 31 40 60 2 15 20 25 3 17 25 41 The expected time

Given the following task time estimates,

Task OPT ML PESS

1 31 40 60

2 15 20 25

3 17 25 41

The expected time for task 1 and its standard deviation is .

The expected time for task 2 and its standard deviation is

The expected time for task 3 and its standard deviation is

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