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What is the probability that the project will take more than 20 weeks? TRUE or FALSE which is the right? If we use TRUE, I

What is the probability that the project will take more than 20 weeks?

TRUE or FALSE which is the right?

If we use TRUE, I think it means "not more than 20 weeks"?

Mean:19

Variance:5.666667

= NORMDIST(20, 19, SQRT(5.666667), TRUE)

= NORMDIST(20, 19, SQRT(5.666667), FALSE)

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