The Time Required to Complete a Project Is Normally Distributed

Multiple Choice

The time required to complete a project is normally distributed with a mean of 80 weeks and a standard deviation of 10 weeks.The construction company must pay a penalty if the project is not finished by the due date in the contract.If a construction company bidding on this contract puts in a due date of 80 weeks, what is the probability that they will have to pay a penalty?

A) 0
B) 1.000
C) 0.500
D) 1/8