Consider a project that has an expected completion time of 60 weeks and a standard deviation of five weeks.What is the probability that the project is finished in 70 weeks or fewer? (Round to two decimals. )
A)0.98
B)0.48
C)0.50
D)0.02
E)0.63

Question

Quizplus · Accepted Answer

The Z-score is calculated as (70 - 60) / 5 = 2. Using the standard normal distribution table, a Z-score of 2 corresponds to a probability of 0.9772, which rounds to 0.98.

Consider a Project That Has an Expected Completion Time of 60