The GRE combined scores for students applying to an engineering school's Graduate Program are normally distributed with a mean of 1000 and a standard deviation of 100.
a) An applicant needs a minimum score of 1300 to grain admission. What percentage of applicants meet or exceed the minimum qualification?
b) The Director of Admissions wants to change the minimum standard GRE score so that 25% of applicants are eligible. What should the new minimum score be?