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

Question

Ariel Summers

15 May, 16:15

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Gillian Rocha · 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