The time required to complete a project is known to be normally distributed with a mean of 44 weeks and a standard deviation of 8 weeks.
(a)What is the probability that the project is finished in 40 weeks or fewer?
(b)What is the probability that the project is finished in 52 weeks or fewer?
(c)There is a 95 percent chance that the project will be finished in fewer than how many weeks?

Question

Quizplus · Accepted Answer

The Answer of The time required to complete a project is known to be normally distributed with a mean of 44 weeks and a standard deviation of 8 weeks.
(a)What is the probability that the project is finished in 40 weeks or fewer?
(b)What is the probability that the project is finished in 52 weeks or fewer?
(c)There is a 95 percent chance that the project will be finished in fewer than how many weeks?

The Time Required to Complete a Project Is Known to Be