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(10) 13. The time required to complete a project is normally distributed with a mean of 50 weeks and a standard deviation of
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Answer #1

Here, we need to first calculate the z-score.

o = Z n - X

Mean = 50, S.D = 5

X = 50

z = (50-50)/5 = 0

A z-score of 0 gives 0.5 in the table.

It means the probability of it getting finished on or before 50 weeks is 0.5.

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