Question

Use the standard normal table to find the​ z-score that corresponds to the given percentile. If the area is not in the​ table, use the entry closest to the area. If the area is halfway between two​ entries, use the​ z-score halfway between the corresponding​ z-scores. If​ convenient, use technology to find the​ z-score.
P
95

Answer 1

If the percentage is 0.95 then for a two tail test the z score is 1.96. for a one tail test it is 1.645