Upper-Tail Percentage Points for the Standard Normal Distribution: Definition from Answers.com

The table gives the values of z for which P(Z > z)=q%, where Z has a normal distribution with mean 0 and variance 1.

q(%)	z	q(%)	z	q(%)	z	q(%)	z	q(%)	z
50	0.000	15	1.036	2.5	1.960	1.0	2.326	0.04	3.353
45	0.126	14	1.080	2.4	1.977	0.9	2.366	0.03	3.432
40	0.253	13	1.126	2.3	1.995	0.8	2.409	0.02	3.540
35	0.385	12	1.175	2.2	2.014	0.7	2.457	0.01	3.719
30	0.524	11	1.227	2.1	2.034	0.6	2.512	0.0²5	3.891
25	0.674	10	1.282	2.0	2.054	0.5	2.576	0.0²1	4.265
24	0.706	9	1.341	1.9	2.075	0.4	2.652	0.0³5	4.417
23	0.739	8	1.405	1.8	2.097	0.3	2.748	0.0³1	4.753
22	0.772	7	1.476	1.7	2.120	0.2	2.878	0.0⁴5	4.892
21	0.806	6	1.555	1.6	2.144	0.1	3.090	0.0⁴1	5.199
20	0.842	5	1.645	1.5	2.170	0.09	3.121	0.0⁵5	5.327
19	0.878	4.5	1.695	1.4	2.197	0.08	3.156	0.0⁵1	5.612
18	0.915	4	1.751	1.3	2.226	0.07	3.195	0.0⁶5	5.731
17	0.954	3.5	1.812	1.2	2.257	0.06	3.239	0.0⁶1	5.998
16	0.994	3	1.881	1.1	2.290	0.05	3.291	0.0⁷5	6.109
In the table, the notation 0.0⁵1 means 0.000 001

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