正态分布怎么计算概率

正态分布概率表

tF(nIFintF(0tF⑴

0.000.00000.230.18190.460.35450.690.5098

0,010.00800,240,18970.470.36160,700.5161

0.020.01600.250.19740.480.36880.710.5223

0.030,02390.260.20510.490.37590.720.5285

0.040.03190.270.21280.500.38290.730,5346

0.050.03990.280.22050.510.38990.740.5407

0.060,047a0.290.22820.520.39690.750.5467

0.070.05580.300.23580.530.4Q390.760*5527

0.080,06380.31①24340.540.41080.770.5587

0.090.07170.320.25100.550,41770.780.5646

0.100.07970.330,25860.560,42450.790.5705

0.110.08760.340.26610.570.43130.800.5763

0.120.09550.350.27370.580.43810.810.5821

0.130.10340.360.28120.590.44480.820.5878

30.370-28860.600.45150.830.5935

0.15(bl1920.380.29610.610.45810.840.5991

0.160.12710.390,30350.620.46470.850.6047

0.170.13500.400.31080+630.47130.860.6102

0.180.142S0.410.31820.640.47780.870.6157

0.190.15070.420.32550.650.48430.880.6211

0.200.15850.430.332K0+660.49070.8906265

0.210J6630.440.34010,670.49710.900,319

0.220.17410.450.34730.680.50350.910.6372

tF(I)tP(0

0.920.64241.250.7887

0.930.6476L260.7923

0.940.65281.270.7959

0.95

0.6579L28

0.7995

0.960.66291.29

0.8030

0.970.6680lt300.8064

0.980.67291.310.8098

0.990.6778L320.8132

1.000.68271.330.8165

L01

0.68751.340.8198

1.020.69231,350.8230

1.030.69701,360.8262

1.040.70171.37

0.8293

k050.7063L380.8324

1.060.71091.390.8355

k070.7154

1.400.83B5

1.080.71991.410.8415

L090.7243L420.8444

1H00.72811.430.8473

Lil0.7330L440.8501

k120.73731.450.8529

L130,7415L460,8557

1.140.74571.470.8584

k150.74991.480.8611

1.160.75401.490.8638

L170.7580L50

0,8664

1.18

0.76201.51

0.8690

L19

0.7660

1+52

0.8715

L200.7699L530,8740

1.210,7737L540,8764

1.220.77751.550.8789

1.230,7813k560.8812

1.240.78501.570.8836

IF(t)iF⑴

L580.8S591.910.9439

L590.8882k92A9451

L600.89041.930.9464

L61

0.8926

1.94(k9476

1.620.89481.950.9488

1.630.89691.96(X9500

L640.89901.970.9512

L650.90111.980,9523

L660.90311.990.9534

L670.90512.000,9545

1,680.90702.020.9566

L690.90992.04CL9587

L700.9109

2.060.9606

L710.91272.08(X9625

L720.91462.W

0.9643

L730.9164

2.120.9660

1.740.91812.140.9676

1.750.91992.160,9692

L760.92162.180.9707

L770.92332.200,9722

L780.92492.22(L9736

1,790.92652.240.9749

L800.92812.260.9762

LSI0.92972.280.9774

L820.93122.300.9786

L830.932R2.320.9797

1.84

0.9342

2.34

(k9801

L850.93572.36

0.9811

L860.93712.38

(X9821

1,870.93852.400,9836

L880.93992.420.9845

L890.94122.440,9853

L900.94262.460.9861

续表

tF(t)tF(t)tF(t)t

F⑴

2.480.98692.660.99222+840.99553.200.9986

2.500.98762.680.99262+860.99583.400.9993

2.520

+

98832.700,99312,880.99603.600.99968

2.540.98892.720.99352.900.99623.800,99986

2.560.98952.740.99392.920.99654.000.99994

2.580.99012.760.99422+940.99674.500.999993

2.600.99072.780.99462+960,99695.000.999999

2.62699122.800.9M92,980.9971

2.640.99172.82丄99521000.9973