Matlab help 4 Easy Questions

I have a matlab questions to solve, for mechincal engineering students.
who can help?
4th question: Measurements of a number of threaded fittings show that the pitch diameter of the thread is normally distributed with a mean of 8.007 mm and a standard deviation of 0.005 mm. the design specifications requrire that the pitch diameter not to excced 8.01 mm. Write a MATLAB script file will estimate how often the design specifications are violeted.