Using a normal curve table, what percentage of students have a z scores (a) below 1.5 (b) above 1.5 (c) below -1.5 ?

Question

A psychologist has been studying eye fatigue using a particular measure, which she administers to students after they have worked for 1hour writing on a computer. On this measure, she has found that the distribution follows a normal curve. Using a normal curve table, what percentage of students have a z scores (a) below 1.5 (b) above 1.5 (c) below -1.5. Need to know how to get the answer.

Answer 1

Since You need to calculate the z-score, which formula have you learned that will do this calculation and is there enough information in the question to do that?