1.The GRE is a popular screening criterion for potential incoming RSPH students. Admissions committees in each department use the GRE as a primary predictor of student performance. According to the testing service who offers the GRE (ETS), the quantitative GRE score is a whole number between 130 and 170. We also know that quantitative GRE scores are normally distributed with a mean of 152.75 points and a standard deviation of 10.25 points. For a student who takes the GRE this year, what is the probability of her getting a score, X:

a.Between 150 and 160?

b.Higher than 163?

c.Under 145?

d.Between 155 and 165, given her score is at least 148?