4. What is the probability that the project will be completed on or before a 72 -week deadline? Refer to the given z-table. Standard Normal Probabilities Table entry for z is the area under the standard normal curve to the left of z. Z-score: (Show your computation below.) 4. What is the probability that the project will be completed on or before a 72 -week deadline? Refer to the given z-table. Standard Normal Probabilities Table entry for z is the area under the standard normal curve to the left of z. Z-score: (Show your computation below.)