表4-21 不同t值的强度保证率P值 | |||||||||||
t |
0.00 |
0.50 |
0.80 |
0.84 |
1.00 |
1.04 |
1.20 |
1.28 |
1.40 |
1.50 |
1.60 |
P(%) |
50.0 |
69.2 |
78.8 |
80.0 |
84.1 |
85.1 |
88.5 |
90.0 |
91.9 |
93.5 |
94.5 |
t |
1.645 |
1.70 |
1.75 |
1.81 |
1.88 |
1.96 |
2.00 |
2.05 |
2.33 |
2.50 |
3.00 |
P(%) |
95.0 |
95.5 |
96.0 |
96.5 |
97.0 |
97.5 |
97.7 |
98.0 |
99.0 |
99.4 |
99.87 |
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