Statistics
posted by Mary Ann .
The fracture strength of a certain type of manufactured glass is normally distributed with a mean of
579 MPa with a standard deviation of 14 MPa. (a) What is the probability that a randomly chosen
sample of glass will break at less than 579 MPa? (b) More than 590 MPa? (c) Less than 600 MPa?
(Data are from Science 283 [February 26, 1999], p. 1296.)

Use process indicated in the response to your previous post.