Probability and time required project The time required to complete a project is known to be normall

Probability and time required project

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
an 95 percent chance that the project will be finished in fewer than how many
weeks?