A Appendix: A Normal Table

z	proportion between -z and z	percent between -z and z
0.00	0	0%
0.01	0.008	1%
0.02	0.016	2%
0.03	0.024	2%
0.04	0.032	3%
0.05	0.04	4%
0.06	0.048	5%
0.07	0.056	6%
0.08	0.064	6%
0.09	0.072	7%
0.10	0.08	8%
0.10	0.08	8%
0.15	0.12	12%
0.20	0.16	16%
0.25	0.2	20%
0.30	0.24	24%
0.35	0.27	27%
0.40	0.31	31%
0.45	0.35	35%
0.50	0.38	38%
0.55	0.42	42%
0.60	0.45	45%
0.65	0.48	48%
0.70	0.52	52%
0.75	0.55	55%
0.80	0.58	58%
0.85	0.6	60%
0.90	0.63	63%
0.95	0.66	66%
1.00	0.68	68%
1.05	0.71	71%
1.10	0.73	73%
1.15	0.75	75%
1.20	0.77	77%
1.25	0.79	79%
1.30	0.81	81%
1.35	0.82	82%
1.40	0.84	84%
1.45	0.85	85%
1.50	0.87	87%
1.55	0.88	88%
1.60	0.89	89%
1.65	0.9	90%
1.70	0.91	91%
1.75	0.92	92%
1.80	0.93	93%
1.85	0.94	94%
1.90	0.94	94%
1.95	0.95	95%
2.00	0.95	95%
2.05	0.96	96%
2.10	0.96	96%
2.15	0.97	97%
2.20	0.97	97%
2.25	0.98	98%
2.30	0.98	98%
2.35	0.98	98%
2.40	0.98	98%
2.45	0.99	99%
2.50	0.99	99%
2.55	0.99	99%
2.60	0.99	99%
2.65	0.99	99%
2.70	0.99	99%
2.75	0.99	99%
2.80	0.99	99%
2.85	1	100%
2.90	1	100%
2.95	1	100%
3.00	1	100%