Areas Under the Unit Normal Distribution

z	Below z	Above z	Between mean and z	Ordinate
0.00	0.5000	0.5000	0.0000	0.3989
0.01	0.5040	0.4960	0.0040	0.3989
0.02	0.5080	0.4920	0.0080	0.3989
0.03	0.5120	0.4880	0.0120	0.3988
0.04	0.5160	0.4840	0.0160	0.3986
0.05	0.5199	0.4801	0.0199	0.3984
0.06	0.5239	0.4761	0.0239	0.3982
0.07	0.5279	0.4721	0.0279	0.3980
0.08	0.5319	0.4681	0.0319	0.3977
0.09	0.5359	0.4641	0.0359	0.3973
z	Below z	Above z	Between mean and z	Ordinate
0.10	0.5398	0.4602	0.0398	0.3970
0.11	0.5438	0.4562	0.0438	0.3965
0.12	0.5478	0.4522	0.0478	0.3961
0.13	0.5517	0.4483	0.0517	0.3956
0.14	0.5557	0.4443	0.0557	0.3951
0.15	0.5596	0.4404	0.0596	0.3945
0.16	0.5636	0.4364	0.0636	0.3939
0.17	0.5675	0.4325	0.0675	0.3932
0.18	0.5714	0.4286	0.0714	0.3925
0.19	0.5753	0.4247	0.0753	0.3918
z	Below z	Above z	Between mean and z	Ordinate
0.20	0.5793	0.4207	0.0793	0.3910
0.21	0.5832	0.4168	0.0832	0.3902
0.22	0.5871	0.4129	0.0871	0.3894
0.23	0.5910	0.4090	0.0910	0.3885
0.24	0.5948	0.4052	0.0948	0.3876
0.25	0.5987	0.4013	0.0987	0.3867
0.26	0.6026	0.3974	0.1026	0.3857
0.27	0.6064	0.3936	0.1064	0.3847
0.28	0.6103	0.3897	0.1103	0.3836
0.29	0.6141	0.3859	0.1141	0.3825
z	Below z	Above z	Between mean and z	Ordinate
0.30	0.6179	0.3821	0.1179	0.3814
0.31	0.6217	0.3783	0.1217	0.3802
0.32	0.6255	0.3745	0.1255	0.3790
0.33	0.6293	0.3707	0.1293	0.3778
0.34	0.6331	0.3669	0.1331	0.3765
0.35	0.6368	0.3632	0.1368	0.3752
0.36	0.6406	0.3594	0.1406	0.3739
0.37	0.6443	0.3557	0.1443	0.3725
0.38	0.6480	0.3520	0.1480	0.3712
0.39	0.6517	0.3483	0.1517	0.3697
z	Below z	Above z	Between mean and z	Ordinate
0.40	0.6554	0.3446	0.1554	0.3683
0.41	0.6591	0.3409	0.1591	0.3668
0.42	0.6628	0.3372	0.1628	0.3653
0.43	0.6664	0.3336	0.1664	0.3637
0.44	0.6700	0.3300	0.1700	0.3621
0.45	0.6736	0.3264	0.1736	0.3605
0.46	0.6772	0.3228	0.1772	0.3589
0.47	0.6808	0.3192	0.1808	0.3572
0.48	0.6844	0.3156	0.1844	0.3555
0.49	0.6879	0.3121	0.1879	0.3538
z	Below z	Above z	Between mean and z	Ordinate
0.50	0.6915	0.3085	0.1915	0.3521
0.51	0.6950	0.3050	0.1950	0.3503
0.52	0.6985	0.3015	0.1985	0.3485
0.53	0.7019	0.2981	0.2019	0.3467
0.54	0.7054	0.2946	0.2054	0.3448
0.55	0.7088	0.2912	0.2088	0.3429
0.56	0.7123	0.2877	0.2123	0.3410
0.57	0.7157	0.2843	0.2157	0.3391
0.58	0.7190	0.2810	0.2190	0.3372
0.59	0.7224	0.2776	0.2224	0.3352
z	Below z	Above z	Between mean and z	Ordinate
0.60	0.7257	0.2743	0.2257	0.3332
0.61	0.7291	0.2709	0.2291	0.3312
0.62	0.7324	0.2676	0.2324	0.3292
0.63	0.7356	0.2644	0.2356	0.3271
0.64	0.7389	0.2611	0.2389	0.3251
0.65	0.7421	0.2579	0.2421	0.3230
0.66	0.7454	0.2546	0.2454	0.3209
0.67	0.7486	0.2514	0.2486	0.3187
0.68	0.7517	0.2483	0.2517	0.3166
0.69	0.7549	0.2451	0.2549	0.3144
z	Below z	Above z	Between mean and z	Ordinate
0.70	0.7580	0.2420	0.2580	0.3123
0.71	0.7611	0.2389	0.2611	0.3101
0.72	0.7642	0.2358	0.2642	0.3079
0.73	0.7673	0.2327	0.2673	0.3056
0.74	0.7703	0.2297	0.2703	0.3034
0.75	0.7734	0.2266	0.2734	0.3011
0.76	0.7764	0.2236	0.2764	0.2989
0.77	0.7793	0.2207	0.2793	0.2966
0.78	0.7823	0.2177	0.2823	0.2943
0.79	0.7852	0.2148	0.2852	0.2920
z	Below z	Above z	Between mean and z	Ordinate
0.80	0.7881	0.2119	0.2881	0.2897
0.81	0.7910	0.2090	0.2910	0.2874
0.82	0.7939	0.2061	0.2939	0.2850
0.83	0.7967	0.2033	0.2967	0.2827
0.84	0.7995	0.2005	0.2995	0.2803
0.85	0.8023	0.1977	0.3023	0.2780
0.86	0.8051	0.1949	0.3051	0.2756
0.87	0.8078	0.1922	0.3078	0.2732
0.88	0.8106	0.1894	0.3106	0.2709
0.89	0.8133	0.1867	0.3133	0.2685
z	Below z	Above z	Between mean and z	Ordinate
0.90	0.8159	0.1841	0.3159	0.2661
0.91	0.8186	0.1814	0.3186	0.2637
0.92	0.8212	0.1788	0.3212	0.2613
0.93	0.8238	0.1762	0.3238	0.2589
0.94	0.8264	0.1736	0.3264	0.2565
0.95	0.8289	0.1711	0.3289	0.2541
0.96	0.8315	0.1685	0.3315	0.2516
0.97	0.8340	0.1660	0.3340	0.2492
0.98	0.8364	0.1636	0.3364	0.2468
0.99	0.8389	0.1611	0.3389	0.2444
z	Below z	Above z	Between mean and z	Ordinate
1.00	0.8413	0.1587	0.3413	0.2420
1.01	0.8437	0.1563	0.3437	0.2396
1.02	0.8461	0.1539	0.3461	0.2371
1.03	0.8485	0.1515	0.3485	0.2347
1.04	0.8508	0.1492	0.3508	0.2323
1.05	0.8531	0.1469	0.3531	0.2299
1.06	0.8554	0.1446	0.3554	0.2275
1.07	0.8577	0.1423	0.3577	0.2251
1.08	0.8599	0.1401	0.3599	0.2227
1.09	0.8621	0.1379	0.3621	0.2203
z	Below z	Above z	Between mean and z	Ordinate
1.10	0.8643	0.1357	0.3643	0.2179
1.11	0.8665	0.1335	0.3665	0.2155
1.12	0.8686	0.1314	0.3686	0.2131
1.13	0.8707	0.1293	0.3707	0.2107
1.14	0.8728	0.1272	0.3728	0.2083
1.15	0.8749	0.1251	0.3749	0.2059
1.16	0.8770	0.1230	0.3770	0.2036
1.17	0.8790	0.1210	0.3790	0.2012
1.18	0.8810	0.1190	0.3810	0.1989
1.19	0.8830	0.1170	0.3830	0.1965
z	Below z	Above z	Between mean and z	Ordinate
1.20	0.8849	0.1151	0.3849	0.1942
1.21	0.8868	0.1132	0.3868	0.1919
1.22	0.8887	0.1113	0.3887	0.1895
1.23	0.8906	0.1094	0.3906	0.1872
1.24	0.8925	0.1075	0.3925	0.1849
1.25	0.8943	0.1057	0.3943	0.1826
1.26	0.8961	0.1039	0.3961	0.1804
1.27	0.8979	0.1021	0.3979	0.1781
1.28	0.8997	0.1003	0.3997	0.1758
1.29	0.9015	0.0985	0.4015	0.1736
z	Below z	Above z	Between mean and z	Ordinate
1.30	0.9032	0.0968	0.4032	0.1714
1.31	0.9049	0.0951	0.4049	0.1691
1.32	0.9066	0.0934	0.4066	0.1669
1.33	0.9082	0.0918	0.4082	0.1647
1.34	0.9099	0.0901	0.4099	0.1626
1.35	0.9115	0.0885	0.4115	0.1604
1.36	0.9131	0.0869	0.4131	0.1582
1.37	0.9146	0.0854	0.4146	0.1561
1.38	0.9162	0.0838	0.4162	0.1539
1.39	0.9177	0.0823	0.4177	0.1518
z	Below z	Above z	Between mean and z	Ordinate
1.40	0.9192	0.0808	0.4192	0.1497
1.41	0.9207	0.0793	0.4207	0.1476
1.42	0.9222	0.0778	0.4222	0.1456
1.43	0.9236	0.0764	0.4236	0.1435
1.44	0.9250	0.0750	0.4250	0.1415
1.45	0.9264	0.0736	0.4264	0.1394
1.46	0.9278	0.0722	0.4278	0.1374
1.47	0.9292	0.0708	0.4292	0.1354
1.48	0.9305	0.0695	0.4305	0.1334
1.49	0.9319	0.0681	0.4319	0.1315
z	Below z	Above z	Between mean and z	Ordinate
1.50	0.9332	0.0668	0.4332	0.1295
1.51	0.9345	0.0655	0.4345	0.1276
1.52	0.9357	0.0643	0.4357	0.1257
1.53	0.9370	0.0630	0.4370	0.1238
1.54	0.9382	0.0618	0.4382	0.1219
1.55	0.9394	0.0606	0.4394	0.1200
1.56	0.9406	0.0594	0.4406	0.1182
1.57	0.9418	0.0582	0.4418	0.1163
1.58	0.9429	0.0571	0.4429	0.1145
1.59	0.9441	0.0559	0.4441	0.1127
z	Below z	Above z	Between mean and z	Ordinate
1.60	0.9452	0.0548	0.4452	0.1109
1.61	0.9463	0.0537	0.4463	0.1092
1.62	0.9474	0.0526	0.4474	0.1074
1.63	0.9484	0.0516	0.4484	0.1057
1.64	0.9495	0.0505	0.4495	0.1040
1.65	0.9505	0.0495	0.4505	0.1023
1.66	0.9515	0.0485	0.4515	0.1006
1.67	0.9525	0.0475	0.4525	0.0989
1.68	0.9535	0.0465	0.4535	0.0973
1.69	0.9545	0.0455	0.4545	0.0957
z	Below z	Above z	Between mean and z	Ordinate
1.70	0.9554	0.0446	0.4554	0.0940
1.71	0.9563	0.0437	0.4563	0.0925
1.72	0.9573	0.0427	0.4573	0.0909
1.73	0.9582	0.0418	0.4582	0.0893
1.74	0.9590	0.0410	0.4590	0.0878
1.75	0.9599	0.0401	0.4599	0.0863
1.76	0.9608	0.0392	0.4608	0.0848
1.77	0.9616	0.0384	0.4616	0.0833
1.78	0.9624	0.0376	0.4624	0.0818
1.79	0.9632	0.0368	0.4632	0.0804
z	Below z	Above z	Between mean and z	Ordinate
1.80	0.9640	0.0360	0.4640	0.0790
1.81	0.9648	0.0352	0.4648	0.0775
1.82	0.9656	0.0344	0.4656	0.0761
1.83	0.9663	0.0337	0.4663	0.0748
1.84	0.9671	0.0329	0.4671	0.0734
1.85	0.9678	0.0322	0.4678	0.0721
1.86	0.9685	0.0315	0.4685	0.0707
1.87	0.9692	0.0308	0.4692	0.0694
1.88	0.9699	0.0301	0.4699	0.0681
1.89	0.9706	0.0294	0.4706	0.0669
z	Below z	Above z	Between mean and z	Ordinate
1.90	0.9713	0.0287	0.4713	0.0656
1.91	0.9719	0.0281	0.4719	0.0644
1.92	0.9725	0.0275	0.4725	0.0632
1.93	0.9732	0.0268	0.4732	0.0620
1.94	0.9738	0.0262	0.4738	0.0608
1.95	0.9744	0.0256	0.4744	0.0596
1.96	0.9750	0.0250	0.4750	0.0584
1.97	0.9755	0.0245	0.4755	0.0573
1.98	0.9761	0.0239	0.4761	0.0562
1.99	0.9767	0.0233	0.4767	0.0551
z	Below z	Above z	Between mean and z	Ordinate
2.00	0.9772	0.0228	0.4772	0.0540
2.01	0.9777	0.0223	0.4777	0.0529
2.02	0.9783	0.0217	0.4783	0.0519
2.03	0.9788	0.0212	0.4788	0.0508
2.04	0.9793	0.0207	0.4793	0.0498
2.05	0.9798	0.0202	0.4798	0.0488
2.06	0.9803	0.0197	0.4803	0.0478
2.07	0.9807	0.0193	0.4807	0.0468
2.08	0.9812	0.0188	0.4812	0.0459
2.09	0.9817	0.0183	0.4817	0.0449
z	Below z	Above z	Between mean and z	Ordinate
2.10	0.9821	0.0179	0.4821	0.0440
2.11	0.9825	0.0175	0.4825	0.0431
2.12	0.9830	0.0170	0.4830	0.0422
2.13	0.9834	0.0166	0.4834	0.0413
2.14	0.9838	0.0162	0.4838	0.0404
2.15	0.9842	0.0158	0.4842	0.0396
2.16	0.9846	0.0154	0.4846	0.0387
2.17	0.9850	0.0150	0.4850	0.0379
2.18	0.9853	0.0147	0.4853	0.0371
2.19	0.9857	0.0143	0.4857	0.0363
z	Below z	Above z	Between mean and z	Ordinate
2.20	0.9861	0.0139	0.4861	0.0355
2.21	0.9864	0.0136	0.4864	0.0347
2.22	0.9868	0.0132	0.4868	0.0339
2.23	0.9871	0.0129	0.4871	0.0332
2.24	0.9874	0.0126	0.4874	0.0325
2.25	0.9877	0.0123	0.4877	0.0317
2.26	0.9881	0.0119	0.4881	0.0310
2.27	0.9884	0.0116	0.4884	0.0303
2.28	0.9887	0.0113	0.4887	0.0297
2.29	0.9890	0.0110	0.4890	0.0290
z	Below z	Above z	Between mean and z	Ordinate
2.30	0.9892	0.0108	0.4892	0.0283
2.31	0.9895	0.0105	0.4895	0.0277
2.32	0.9898	0.0102	0.4898	0.0270
2.33	0.9901	0.0099	0.4901	0.0264
2.34	0.9903	0.0097	0.4903	0.0258
2.35	0.9906	0.0094	0.4906	0.0252
2.36	0.9908	0.0092	0.4908	0.0246
2.37	0.9911	0.0089	0.4911	0.0241
2.38	0.9913	0.0087	0.4913	0.0235
2.39	0.9915	0.0085	0.4915	0.0229
z	Below z	Above z	Between mean and z	Ordinate
2.40	0.9918	0.0082	0.4918	0.0224
2.41	0.9920	0.0080	0.4920	0.0219
2.42	0.9922	0.0078	0.4922	0.0213
2.43	0.9924	0.0076	0.4924	0.0208
2.44	0.9926	0.0074	0.4926	0.0203
2.45	0.9928	0.0072	0.4928	0.0198
2.46	0.9930	0.0070	0.4930	0.0194
2.47	0.9932	0.0068	0.4932	0.0189
2.48	0.9934	0.0066	0.4934	0.0184
2.49	0.9936	0.0064	0.4936	0.0180
z	Below z	Above z	Between mean and z	Ordinate
2.50	0.9938	0.0062	0.4938	0.0175
2.51	0.9939	0.0061	0.4939	0.0171
2.52	0.9941	0.0059	0.4941	0.0167
2.53	0.9943	0.0057	0.4943	0.0163
2.54	0.9944	0.0056	0.4944	0.0158
2.55	0.9946	0.0054	0.4946	0.0154
2.56	0.9947	0.0053	0.4947	0.0151
2.57	0.9949	0.0051	0.4949	0.0147
2.58	0.9950	0.0050	0.4950	0.0143
2.59	0.9952	0.0048	0.4952	0.0139
z	Below z	Above z	Between mean and z	Ordinate
2.60	0.9953	0.0047	0.4953	0.0136
2.61	0.9954	0.0046	0.4954	0.0132
2.62	0.9956	0.0044	0.4956	0.0129
2.63	0.9957	0.0043	0.4957	0.0126
2.64	0.9958	0.0042	0.4958	0.0122
2.65	0.9959	0.0041	0.4959	0.0119
2.66	0.9961	0.0039	0.4961	0.0116
2.67	0.9962	0.0038	0.4962	0.0113
2.68	0.9963	0.0037	0.4963	0.0110
2.69	0.9964	0.0036	0.4964	0.0107
z	Below z	Above z	Between mean and z	Ordinate
2.70	0.9965	0.0035	0.4965	0.0104
2.71	0.9966	0.0034	0.4966	0.0101
2.72	0.9967	0.0033	0.4967	0.0099
2.73	0.9968	0.0032	0.4968	0.0096
2.74	0.9969	0.0031	0.4969	0.0093
2.75	0.9970	0.0030	0.4970	0.0091
2.76	0.9971	0.0029	0.4971	0.0088
2.77	0.9972	0.0028	0.4972	0.0086
2.78	0.9972	0.0028	0.4972	0.0084
2.79	0.9973	0.0027	0.4973	0.0081
z	Below z	Above z	Between mean and z	Ordinate
2.80	0.9974	0.0026	0.4974	0.0079
2.81	0.9975	0.0025	0.4975	0.0077
2.82	0.9976	0.0024	0.4976	0.0075
2.83	0.9976	0.0024	0.4976	0.0073
2.84	0.9977	0.0023	0.4977	0.0071
2.85	0.9978	0.0022	0.4978	0.0069
2.86	0.9978	0.0022	0.4978	0.0067
2.87	0.9979	0.0021	0.4979	0.0065
2.88	0.9980	0.0020	0.4980	0.0063
2.89	0.9980	0.0020	0.4980	0.0061
z	Below z	Above z	Between mean and z	Ordinate
2.90	0.9981	0.0019	0.4981	0.0060
2.91	0.9982	0.0018	0.4982	0.0058
2.92	0.9982	0.0018	0.4982	0.0056
2.93	0.9983	0.0017	0.4983	0.0055
2.94	0.9983	0.0017	0.4983	0.0053
2.95	0.9984	0.0016	0.4984	0.0051
2.96	0.9984	0.0016	0.4984	0.0050
2.97	0.9985	0.0015	0.4985	0.0048
2.98	0.9985	0.0015	0.4985	0.0047
2.99	0.9986	0.0014	0.4986	0.0046

Mean:
S.D.:
Score:
Above Below Above +z and below -z

Sample Mean:
N:
μ₀:
σ:
α:
H₀: μ = μ₀ H₀: μ ≤ μ₀ H₀: μ ≥ μ₀